Cisco Cisco IOS XR Software

CVE-2023-20236
MEDIUM 6.7

At a glance

Source
NVD
EPSS
EPSS 0.10 % Β· percentile 1 ()
State
PUBLISHED
Published
Updated
Assigner
cisco
NVD status
Modified

Description

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.

Weaknesses (CWE)

  • CWE-347 β€” Improper Verification of Cryptographic Signature
  • CWE-345 β€” Insufficient Verification of Data Authenticity

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 6.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hcisco
CVSS 3.1MEDIUM 6.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HNVD Β· psirt@cisco.com (Secondary)
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD Β· nvd@nist.gov (Primary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
Cisco Β· Cisco IOS XR Softwareaffected 5.2.0 ; affected 5.2.1 ; affected 5.2.2 ; affected 5.2.4 ; affected 5.2.3 ; affected 5.2.5

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST β€” attribution requested
ENISA EUVDENISA β€” reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain β€” this product uses data from the NVD API but is not endorsed or certified by the NVD