Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
Vulnerability Details :

CVE-2023-20236

Summary
Assigner-cisco
Assigner Org ID-d1c1063e-7a18-46af-9102-31f8928bc633
Published At-13 Sep, 2023 | 16:39
Updated At-23 Oct, 2024 | 19:10
Rejected At-
Credits

A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device. This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating the boot parameters for image verification during the iPXE boot process on an affected device. A successful exploit could allow the attacker to boot an unverified software image on the affected device.

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)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:cisco
Assigner Org ID:d1c1063e-7a18-46af-9102-31f8928bc633
Published At:13 Sep, 2023 | 16:39
Updated At:23 Oct, 2024 | 19:10
Rejected At:
▼CVE Numbering Authority (CNA)

A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device. This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating the boot parameters for image verification during the iPXE boot process on an affected device. A successful exploit could allow the attacker to boot an unverified software image on the affected device.

Affected Products
Vendor
Cisco Systems, Inc.Cisco
Product
Cisco IOS XR Software
Versions
Affected
  • 5.2.0
  • 5.2.1
  • 5.2.2
  • 5.2.4
  • 5.2.3
  • 5.2.5
  • 5.2.47
  • 5.3.0
  • 5.3.1
  • 5.3.2
  • 5.3.3
  • 5.3.4
  • 6.0.0
  • 6.0.1
  • 6.0.2
  • 6.1.1
  • 6.1.2
  • 6.1.3
  • 6.1.4
  • 6.1.12
  • 6.1.22
  • 6.1.32
  • 6.1.36
  • 6.1.42
  • 6.2.1
  • 6.2.2
  • 6.2.3
  • 6.2.25
  • 6.2.11
  • 6.3.2
  • 6.3.3
  • 6.3.15
  • 6.4.1
  • 6.4.2
  • 6.4.3
  • 6.5.1
  • 6.5.2
  • 6.5.3
  • 6.5.25
  • 6.5.26
  • 6.5.28
  • 6.5.29
  • 6.5.32
  • 6.5.33
  • 6.6.2
  • 6.6.3
  • 6.6.25
  • 6.6.4
  • 7.0.1
  • 7.0.2
  • 7.0.12
  • 7.0.14
  • 7.1.1
  • 7.1.15
  • 7.1.2
  • 7.1.3
  • 6.7.1
  • 6.7.2
  • 6.7.3
  • 6.7.4
  • 7.2.0
  • 7.2.1
  • 7.2.2
  • 7.3.1
  • 7.3.15
  • 7.3.2
  • 7.3.3
  • 7.3.5
  • 7.4.1
  • 7.4.2
  • 6.8.1
  • 6.8.2
  • 7.5.1
  • 7.5.3
  • 7.5.2
  • 7.5.4
  • 7.6.1
  • 7.6.2
  • 7.7.1
  • 7.7.2
  • 7.7.21
  • 6.9.1
  • 6.9.2
  • 7.8.1
  • 7.8.2
  • 7.9.1
  • 7.9.2
Problem Types
TypeCWE IDDescription
cweCWE-347Improper Verification of Cryptographic Signature
Type: cwe
CWE ID: CWE-347
Description: Improper Verification of Cryptographic Signature
Metrics
VersionBase scoreBase severityVector
3.16.7MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 6.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits

The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.

Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-ipxe-sigbypass-pymfyqgB
N/A
Hyperlink: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-ipxe-sigbypass-pymfyqgB
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CVE Program Container
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
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-ipxe-sigbypass-pymfyqgB
x_transferred
Hyperlink: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-ipxe-sigbypass-pymfyqgB
Resource:
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Vendor
Cisco Systems, Inc.cisco
Product
ios_xr_software
CPEs
  • cpe:2.3:o:cisco:ios_xr_software:*:*:*:*:*:*:*:*
Default Status
unknown
Versions
Affected
  • From 0 through 7.9.2 (custom)
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
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:ykramarz@cisco.com
Published At:13 Sep, 2023 | 17:15
Updated At:25 Jan, 2024 | 17:15

A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device. This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating the boot parameters for image verification during the iPXE boot process on an affected device. A successful exploit could allow the attacker to boot an unverified software image on the affected device.

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
Primary3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Secondary3.16.7MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 6.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CPE Matches
Cisco Systems, Inc.
cisco
>>ios_xr>>Versions before 7.10.1(exclusive)
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>8201>>-
cpe:2.3:h:cisco:8201:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>8202>>-
cpe:2.3:h:cisco:8202:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>8208>>-
cpe:2.3:h:cisco:8208:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>8212>>-
cpe:2.3:h:cisco:8212:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>8218>>-
cpe:2.3:h:cisco:8218:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>8804>>-
cpe:2.3:h:cisco:8804:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>8808>>-
cpe:2.3:h:cisco:8808:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>8812>>-
cpe:2.3:h:cisco:8812:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>8818>>-
cpe:2.3:h:cisco:8818:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>8831>>-
cpe:2.3:h:cisco:8831:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9000>>-
cpe:2.3:h:cisco:asr_9000:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9000v>>-
cpe:2.3:h:cisco:asr_9000v:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9001>>-
cpe:2.3:h:cisco:asr_9001:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9006>>-
cpe:2.3:h:cisco:asr_9006:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9010>>-
cpe:2.3:h:cisco:asr_9010:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9901>>-
cpe:2.3:h:cisco:asr_9901:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9902>>-
cpe:2.3:h:cisco:asr_9902:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9903>>-
cpe:2.3:h:cisco:asr_9903:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9904>>-
cpe:2.3:h:cisco:asr_9904:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9906>>-
cpe:2.3:h:cisco:asr_9906:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9910>>-
cpe:2.3:h:cisco:asr_9910:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9912>>-
cpe:2.3:h:cisco:asr_9912:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9920>>-
cpe:2.3:h:cisco:asr_9920:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9922>>-
cpe:2.3:h:cisco:asr_9922:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_1001>>-
cpe:2.3:h:cisco:ncs_1001:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_1002>>-
cpe:2.3:h:cisco:ncs_1002:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_1004>>-
cpe:2.3:h:cisco:ncs_1004:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_4009>>-
cpe:2.3:h:cisco:ncs_4009:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_4016>>-
cpe:2.3:h:cisco:ncs_4016:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_4201>>-
cpe:2.3:h:cisco:ncs_4201:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_4202>>-
cpe:2.3:h:cisco:ncs_4202:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_4206>>-
cpe:2.3:h:cisco:ncs_4206:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_4216>>-
cpe:2.3:h:cisco:ncs_4216:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_5001>>-
cpe:2.3:h:cisco:ncs_5001:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_5002>>-
cpe:2.3:h:cisco:ncs_5002:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_5011>>-
cpe:2.3:h:cisco:ncs_5011:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_540>>-
cpe:2.3:h:cisco:ncs_540:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_5500>>-
cpe:2.3:h:cisco:ncs_5500:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_5501>>-
cpe:2.3:h:cisco:ncs_5501:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_5501>>se
cpe:2.3:h:cisco:ncs_5501:se:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_5502>>-
cpe:2.3:h:cisco:ncs_5502:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_5502>>se
cpe:2.3:h:cisco:ncs_5502:se:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_5504>>-
cpe:2.3:h:cisco:ncs_5504:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_5508>>-
cpe:2.3:h:cisco:ncs_5508:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_5516>>-
cpe:2.3:h:cisco:ncs_5516:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_560>>-
cpe:2.3:h:cisco:ncs_560:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_560-4>>-
cpe:2.3:h:cisco:ncs_560-4:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_560-7>>-
cpe:2.3:h:cisco:ncs_560-7:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_57b1-5dse-sys>>-
cpe:2.3:h:cisco:ncs_57b1-5dse-sys:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-345Primarynvd@nist.gov
CWE-347Secondaryykramarz@cisco.com
CWE ID: CWE-345
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-347
Type: Secondary
Source: ykramarz@cisco.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-ipxe-sigbypass-pymfyqgBykramarz@cisco.com
Vendor Advisory
Hyperlink: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-ipxe-sigbypass-pymfyqgB
Source: ykramarz@cisco.com
Resource:
Vendor Advisory

Change History

0
Information is not available yet

Similar CVEs

0Records found
Details not found