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monkey

Source -

NVDCNA

CNA CVEs -

3

ADP CVEs -

0

CISA CVEs -

0

NVD CVEs -

29
Related CVEsRelated VendorsRelated AssignersReports
29Vulnerabilities found

CVE-2025-63649
Assigner-MITRE Corporation
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Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.02% / 6.72%
||
7 Day CHG~0.00%
Published-29 Jan, 2026 | 00:00
Updated-19 Feb, 2026 | 20:42
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An out-of-bounds read in the http_parser_transfer_encoding_chunked function (mk_server/mk_http_parser.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted POST request to the server.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2025-63658
Assigner-MITRE Corporation
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Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.32% / 55.23%
||
7 Day CHG~0.00%
Published-29 Jan, 2026 | 00:00
Updated-13 Feb, 2026 | 20:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A stack overflow in the mk_http_index_lookup function (mk_server/mk_http.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2025-63657
Assigner-MITRE Corporation
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Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.97% / 76.75%
||
7 Day CHG~0.00%
Published-29 Jan, 2026 | 00:00
Updated-13 Feb, 2026 | 20:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An out-of-bounds read in the mk_mimetype_find function (mk_server/mk_mimetype.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2025-63656
Assigner-MITRE Corporation
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Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.97% / 76.75%
||
7 Day CHG~0.00%
Published-29 Jan, 2026 | 00:00
Updated-13 Feb, 2026 | 20:34
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An out-of-bounds read in the header_cmp function (mk_server/mk_http_parser.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2025-63655
Assigner-MITRE Corporation
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Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.96% / 76.51%
||
7 Day CHG~0.00%
Published-29 Jan, 2026 | 00:00
Updated-13 Feb, 2026 | 20:34
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A NULL pointer dereference in the mk_http_range_parse function (mk_server/mk_http.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2025-63653
Assigner-MITRE Corporation
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Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.97% / 76.75%
||
7 Day CHG~0.00%
Published-29 Jan, 2026 | 00:00
Updated-13 Feb, 2026 | 20:34
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An out-of-bounds read in the mk_vhost_fdt_close function (mk_server/mk_vhost.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2025-63652
Assigner-MITRE Corporation
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Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.97% / 76.75%
||
7 Day CHG~0.00%
Published-29 Jan, 2026 | 00:00
Updated-13 Feb, 2026 | 20:34
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A use-after-free in the mk_http_request_end function (mk_server/mk_http.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-416
Use After Free
CVE-2025-63651
Assigner-MITRE Corporation
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Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.91% / 75.84%
||
7 Day CHG~0.00%
Published-29 Jan, 2026 | 00:00
Updated-19 Feb, 2026 | 20:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A use-after-free in the mk_string_char_search function (mk_core/mk_string.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-416
Use After Free
CVE-2025-63650
Assigner-MITRE Corporation
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Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.97% / 76.75%
||
7 Day CHG~0.00%
Published-29 Jan, 2026 | 00:00
Updated-19 Feb, 2026 | 20:40
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An out-of-bounds read in the mk_ptr_to_buf in mk_core function (mk_memory.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2013-2183
Assigner-Red Hat, Inc.
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Assigner-Red Hat, Inc.
CVSS Score-7.1||HIGH
EPSS-0.05% / 16.07%
||
7 Day CHG~0.00%
Published-10 Dec, 2019 | 14:29
Updated-06 Aug, 2024 | 15:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Monkey HTTP Daemon has local security bypass

Action-Not Available
Vendor-monkey-projectmonkey
Product-monkeymonkey
CWE ID-CWE-668
Exposure of Resource to Wrong Sphere
CVE-2013-2159
Assigner-Red Hat, Inc.
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Assigner-Red Hat, Inc.
CVSS Score-9.8||CRITICAL
EPSS-0.46% / 64.07%
||
7 Day CHG~0.00%
Published-10 Dec, 2019 | 14:13
Updated-06 Aug, 2024 | 15:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Monkey HTTP Daemon: broken user name authentication

Action-Not Available
Vendor-monkey-projectmonkey
Product-monkeymonkey
CWE ID-CWE-287
Improper Authentication
CVE-2013-1771
Assigner-Red Hat, Inc.
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Assigner-Red Hat, Inc.
CVSS Score-7.5||HIGH
EPSS-0.39% / 60.15%
||
7 Day CHG~0.00%
Published-07 Nov, 2019 | 22:05
Updated-06 Aug, 2024 | 15:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The web server Monkeyd produces a world-readable log (/var/log/monkeyd/master.log) on gentoo.

Action-Not Available
Vendor-monkey-projectmonkey
Product-monkeymonkey
CWE ID-CWE-532
Insertion of Sensitive Information into Log File
CVE-2014-5336
Assigner-MITRE Corporation
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Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-1.14% / 78.49%
||
7 Day CHG~0.00%
Published-26 Aug, 2014 | 14:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Monkey HTTP Server before 1.5.3, when the File Descriptor Table (FDT) is enabled and custom error messages are set, allows remote attackers to cause a denial of service (file descriptor consumption) via an HTTP request that triggers an error message.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-2163
Assigner-Red Hat, Inc.
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Assigner-Red Hat, Inc.
CVSS Score-5||MEDIUM
EPSS-0.75% / 73.15%
||
7 Day CHG~0.00%
Published-13 Jun, 2014 | 14:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Monkey HTTP Daemon (monkeyd) before 1.2.2 allows remote attackers to cause a denial of service (infinite loop) via an offset equal to the file size in the Range HTTP header.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-3843
Assigner-MITRE Corporation
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Assigner-MITRE Corporation
CVSS Score-6.8||MEDIUM
EPSS-40.15% / 97.36%
||
7 Day CHG~0.00%
Published-13 Jun, 2014 | 14:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Stack-based buffer overflow in the mk_request_header_process function in mk_request.c in Monkey HTTP Daemon (monkeyd) before 1.2.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted HTTP header.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CVE-2013-2182
Assigner-Red Hat, Inc.
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Assigner-Red Hat, Inc.
CVSS Score-5.8||MEDIUM
EPSS-10.81% / 93.40%
||
7 Day CHG~0.00%
Published-13 Jun, 2014 | 14:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Mandril security plugin in Monkey HTTP Daemon (monkeyd) before 1.5.0 allows remote attackers to bypass access restrictions via a crafted URI, as demonstrated by an encoded forward slash.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CVE-2013-3724
Assigner-MITRE Corporation
ShareView Details
Assigner-MITRE Corporation
CVSS Score-5||MEDIUM
EPSS-8.87% / 92.58%
||
7 Day CHG~0.00%
Published-31 Jul, 2013 | 21:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The mk_request_header_process function in mk_request.c in Monkey 1.1.1 allows remote attackers to cause a denial of service (thread crash and service outage) via a '\0' character in an HTTP request.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-2181
Assigner-Red Hat, Inc.
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Assigner-Red Hat, Inc.
CVSS Score-4.3||MEDIUM
EPSS-0.25% / 48.39%
||
7 Day CHG~0.00%
Published-29 Jul, 2013 | 21:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cross-site scripting (XSS) vulnerability in the Directory Listing plugin in Monkey HTTP Daemon (monkeyd) 1.2.2 allows attackers to inject arbitrary web script or HTML via a file name.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2012-5303
Assigner-MITRE Corporation
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Assigner-MITRE Corporation
CVSS Score-6.9||MEDIUM
EPSS-0.04% / 10.40%
||
7 Day CHG~0.00%
Published-05 Oct, 2012 | 21:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Monkey HTTP Daemon 0.9.3 might allow local users to overwrite arbitrary files via a symlink attack on a PID file, as demonstrated by a pathname different from the default /var/run/monkey.pid pathname.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-59
Improper Link Resolution Before File Access ('Link Following')
CVE-2012-4442
Assigner-Red Hat, Inc.
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Assigner-Red Hat, Inc.
CVSS Score-4.7||MEDIUM
EPSS-0.06% / 18.88%
||
7 Day CHG~0.00%
Published-05 Oct, 2012 | 21:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Monkey HTTP Daemon 0.9.3 retains the supplementary group IDs of the root account during operations with a non-root effective UID, which might allow local users to bypass intended file-read restrictions by leveraging a race condition in a file-permission check.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CVE-2012-4443
Assigner-Red Hat, Inc.
ShareView Details
Assigner-Red Hat, Inc.
CVSS Score-6.9||MEDIUM
EPSS-0.05% / 16.59%
||
7 Day CHG~0.00%
Published-05 Oct, 2012 | 17:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Monkey HTTP Daemon 0.9.3 uses a real UID of root and a real GID of root during execution of CGI scripts, which might allow local users to gain privileges by leveraging cgi-bin write access.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CVE-2002-2154
Assigner-MITRE Corporation
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Assigner-MITRE Corporation
CVSS Score-5||MEDIUM
EPSS-4.02% / 88.50%
||
7 Day CHG~0.00%
Published-16 Nov, 2005 | 21:17
Updated-16 Apr, 2026 | 00:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Directory traversal vulnerability in Monkey HTTP Daemon 0.1.4 allows remote attackers to read arbitrary files via .. (dot dot) sequences.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVE-2002-1852
Assigner-MITRE Corporation
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Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-3.02% / 86.69%
||
7 Day CHG~0.00%
Published-28 Jun, 2005 | 04:00
Updated-16 Apr, 2026 | 00:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cross-site scripting (XSS) vulnerability in Monkey 0.5.0 allows remote attackers to inject arbitrary web script or HTML via (1) the URL or (2) a parameter to test2.pl.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2002-1663
Assigner-MITRE Corporation
ShareView Details
Assigner-MITRE Corporation
CVSS Score-5||MEDIUM
EPSS-8.53% / 92.41%
||
7 Day CHG~0.00%
Published-19 May, 2005 | 04:00
Updated-16 Apr, 2026 | 00:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Post_Method function in method.c for Monkey HTTP Daemon before 0.5.1 allows remote attackers to cause a denial of service (crash) via a POST request with an invalid or missing Content-Length header value.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2003-1209
Assigner-MITRE Corporation
ShareView Details
Assigner-MITRE Corporation
CVSS Score-5||MEDIUM
EPSS-0.74% / 72.98%
||
7 Day CHG~0.00%
Published-19 May, 2005 | 04:00
Updated-16 Apr, 2026 | 00:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Post_Method function in Monkey HTTP Daemon before 0.6.2 allows remote attackers to cause a denial of service (crash) via a POST request without a Content-Type header.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2005-1123
Assigner-MITRE Corporation
ShareView Details
Assigner-MITRE Corporation
CVSS Score-5||MEDIUM
EPSS-0.76% / 73.48%
||
7 Day CHG~0.00%
Published-16 Apr, 2005 | 04:00
Updated-16 Apr, 2026 | 00:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Monkey daemon (monkeyd) before 0.9.1 allows remote attackers to cause a denial of service (memory corruption) via a request for a zero byte file.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CVE-2005-1122
Assigner-MITRE Corporation
ShareView Details
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.88% / 83.26%
||
7 Day CHG~0.00%
Published-16 Apr, 2005 | 04:00
Updated-16 Apr, 2026 | 00:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Format string vulnerability in cgi.c for Monkey daemon (monkeyd) before 0.9.1 allows remote attackers to cause a denial of service and possibly execute arbitrary code via an HTTP GET request containing double-encoded format string specifiers (aka "double expansion error").

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-134
Use of Externally-Controlled Format String
CVE-2004-0276
Assigner-MITRE Corporation
ShareView Details
Assigner-MITRE Corporation
CVSS Score-5||MEDIUM
EPSS-9.34% / 92.80%
||
7 Day CHG~0.00%
Published-01 Sep, 2004 | 04:00
Updated-16 Apr, 2026 | 00:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The get_real_string function in Monkey HTTP Daemon (monkeyd) 0.8.1 and earlier allows remote attackers to cause a denial of service (crash) via an HTTP request with a sequence of "%" characters and a missing Host field.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2003-0218
Assigner-MITRE Corporation
ShareView Details
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-6.68% / 91.29%
||
7 Day CHG~0.00%
Published-29 Apr, 2003 | 04:00
Updated-16 Apr, 2026 | 00:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Buffer overflow in PostMethod() function for Monkey HTTP Daemon (monkeyd) 0.6.1 and earlier allows remote attackers to execute arbitrary code via a POST request with a large body.

Action-Not Available
Vendor-monkey-projectn/a
Product-monkeyn/a
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer