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Vulnerability Details :

CVE-2020-37121

Summary
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At-05 Feb, 2026 | 16:13
Updated At-06 Feb, 2026 | 20:33
Rejected At-
Credits

CODE::BLOCKS 16.01 - Buffer Overflow (SEH) UNICODE

CODE::BLOCKS 16.01 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler with crafted Unicode characters. Attackers can create a malicious M3U playlist file with 536 bytes of buffer and shellcode to trigger remote code execution.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulnCheck
Assigner Org ID:83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At:05 Feb, 2026 | 16:13
Updated At:06 Feb, 2026 | 20:33
Rejected At:
â–¼CVE Numbering Authority (CNA)
CODE::BLOCKS 16.01 - Buffer Overflow (SEH) UNICODE

CODE::BLOCKS 16.01 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler with crafted Unicode characters. Attackers can create a malicious M3U playlist file with 536 bytes of buffer and shellcode to trigger remote code execution.

Affected Products
Vendor
Code::Blocks
Product
Code::Blocks
Default Status
unaffected
Versions
Affected
  • 16.01
Problem Types
TypeCWE IDDescription
CWECWE-121Stack-based Buffer Overflow
Type: CWE
CWE ID: CWE-121
Description: Stack-based Buffer Overflow
Metrics
VersionBase scoreBase severityVector
4.06.7MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Version: 4.0
Base score: 6.7
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

finder
T3jv1l
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.exploit-db.com/exploits/48344
exploit
https://www.codeblocks.org/
product
https://sourceforge.net/projects/codeblocks/
product
https://www.vulncheck.com/advisories/codeblocks-buffer-overflow-seh-unicode
third-party-advisory
Hyperlink: https://www.exploit-db.com/exploits/48344
Resource:
exploit
Hyperlink: https://www.codeblocks.org/
Resource:
product
Hyperlink: https://sourceforge.net/projects/codeblocks/
Resource:
product
Hyperlink: https://www.vulncheck.com/advisories/codeblocks-buffer-overflow-seh-unicode
Resource:
third-party-advisory
â–¼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:disclosure@vulncheck.com
Published At:05 Feb, 2026 | 17:16
Updated At:05 Feb, 2026 | 22:15

CODE::BLOCKS 16.01 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler with crafted Unicode characters. Attackers can create a malicious M3U playlist file with 536 bytes of buffer and shellcode to trigger remote code execution.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.06.7MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Type: Secondary
Version: 4.0
Base score: 6.7
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-121Secondarydisclosure@vulncheck.com
CWE ID: CWE-121
Type: Secondary
Source: disclosure@vulncheck.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://sourceforge.net/projects/codeblocks/disclosure@vulncheck.com
N/A
https://www.codeblocks.org/disclosure@vulncheck.com
N/A
https://www.exploit-db.com/exploits/48344disclosure@vulncheck.com
N/A
https://www.vulncheck.com/advisories/codeblocks-buffer-overflow-seh-unicodedisclosure@vulncheck.com
N/A
Hyperlink: https://sourceforge.net/projects/codeblocks/
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.codeblocks.org/
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.exploit-db.com/exploits/48344
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.vulncheck.com/advisories/codeblocks-buffer-overflow-seh-unicode
Source: disclosure@vulncheck.com
Resource: N/A

Change History

0
Information is not available yet

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||
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KEV Action Due Date-Not Available
ZOC Terminal 7.25.5 - 'Script' Denial of Service

ZOC Terminal 7.25.5 contains a script processing vulnerability that allows local attackers to crash the application by loading a maliciously crafted REXX script file. Attackers can generate an oversized script with 20,000 repeated characters to trigger an application crash and cause a denial of service.

Action-Not Available
Vendor-EmTec
Product-ZOC Terminal
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2020-37122
Matching Score-4
Assigner-VulnCheck
ShareView Details
Matching Score-4
Assigner-VulnCheck
CVSS Score-6.7||MEDIUM
EPSS-0.01% / 1.65%
||
7 Day CHG-0.02%
Published-06 Feb, 2026 | 23:14
Updated-17 Feb, 2026 | 17:02
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
SpotFTP-FTP Password Recover 2.4.8 - Denial of Service

SpotFTP-FTP Password Recover 2.4.8 contains a denial of service vulnerability that allows attackers to crash the application by generating a large buffer overflow. Attackers can create a text file with 1000 'Z' characters and input it as a registration code to trigger the application crash.

Action-Not Available
Vendor-Nsauditor
Product-FTP Password Recover
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2020-37132
Matching Score-4
Assigner-VulnCheck
ShareView Details
Matching Score-4
Assigner-VulnCheck
CVSS Score-6.7||MEDIUM
EPSS-0.01% / 2.20%
||
7 Day CHG~0.00%
Published-05 Feb, 2026 | 16:13
Updated-09 Feb, 2026 | 22:08
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
UltraVNC Launcher 1.2.4.0 - 'Password' Denial of Service

UltraVNC Launcher 1.2.4.0 contains a denial of service vulnerability in its password configuration properties that allows local attackers to crash the application. Attackers can paste an overly long 300-character string into the password field to trigger an application crash and prevent normal launcher functionality.

Action-Not Available
Vendor-uvncUltraVNC Team
Product-ultravncUltraVNC Launcher
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2025-70309
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-5.5||MEDIUM
EPSS-0.02% / 4.84%
||
7 Day CHG~0.00%
Published-15 Jan, 2026 | 00:00
Updated-23 Jan, 2026 | 17:34
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 pcmreframe_flush_packet function of GPAC v2.4.0 allows attackers to cause a Denial of Service (DoS) via a crafted WAV file.

Action-Not Available
Vendor-n/aGPAC
Product-gpacn/a
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2023-53879
Matching Score-4
Assigner-VulnCheck
ShareView Details
Matching Score-4
Assigner-VulnCheck
CVSS Score-5.3||MEDIUM
EPSS-0.01% / 2.86%
||
7 Day CHG~0.00%
Published-15 Dec, 2025 | 20:32
Updated-18 Dec, 2025 | 22:36
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
NVClient 5.0 Stack Buffer Overflow Vulnerability via User Configuration

NVClient 5.0 contains a stack buffer overflow vulnerability in the user configuration contact field that allows attackers to crash the application. Attackers can overwrite 846 bytes of memory by pasting a crafted payload into the contact box, causing a denial of service condition.

Action-Not Available
Vendor-eyemaxsystemsneonguvenlik
Product-nvclientNVClient
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2019-25341
Matching Score-4
Assigner-VulnCheck
ShareView Details
Matching Score-4
Assigner-VulnCheck
CVSS Score-6.7||MEDIUM
EPSS-0.04% / 10.86%
||
7 Day CHG~0.00%
Published-12 Feb, 2026 | 22:48
Updated-13 Feb, 2026 | 17:07
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
iNetTools for iOS 8.20 - 'Whois' Denial of Service

iNetTools for iOS 8.20 contains a denial of service vulnerability in the Whois feature that allows attackers to crash the application by manipulating input. Attackers can paste a specially crafted 98-character buffer into the Domain Name field to trigger an application crash.

Action-Not Available
Vendor-inettools
Product-iNetTools for iOS
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2023-4756
Matching Score-4
Assigner-Protect AI (formerly huntr.dev)
ShareView Details
Matching Score-4
Assigner-Protect AI (formerly huntr.dev)
CVSS Score-5.9||MEDIUM
EPSS-0.05% / 15.30%
||
7 Day CHG+0.01%
Published-04 Sep, 2023 | 08:24
Updated-19 Sep, 2024 | 15:35
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 gpac/gpac

Stack-based Buffer Overflow in GitHub repository gpac/gpac prior to 2.3-DEV.

Action-Not Available
Vendor-GPAC
Product-gpacgpac/gpac
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
Details not found