CVE-2025-20248

Summary

A vulnerability in the installation process of Cisco IOS XR Software could allow an authenticated, local attacker to bypass Cisco IOS XR Software image signature verification and load unsigned software on an affected device. To exploit this vulnerability, the attacker must have root-system privileges on the affected device.

This vulnerability is due to incomplete validation of files during the installation of an .iso file. An attacker could exploit this vulnerability by modifying contents of the .iso image and then installing and activating it on the device. A successful exploit could allow the attacker to load an unsigned file as part of the image activation process.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco IOS XR Software6.5.3affected
CiscoCisco IOS XR Software6.5.29affected
CiscoCisco IOS XR Software6.5.1affected
CiscoCisco IOS XR Software6.6.1affected
CiscoCisco IOS XR Software6.5.2affected
CiscoCisco IOS XR Software6.5.92affected
CiscoCisco IOS XR Software6.5.15affected
CiscoCisco IOS XR Software6.6.2affected
CiscoCisco IOS XR Software7.0.1affected
CiscoCisco IOS XR Software6.6.25affected
CiscoCisco IOS XR Software6.5.26affected
CiscoCisco IOS XR Software6.6.11affected
CiscoCisco IOS XR Software6.5.25affected
CiscoCisco IOS XR Software6.5.28affected
CiscoCisco IOS XR Software6.5.93affected
CiscoCisco IOS XR Software6.6.12affected
CiscoCisco IOS XR Software6.5.90affected
CiscoCisco IOS XR Software7.0.0affected
CiscoCisco IOS XR Software7.1.1affected
CiscoCisco IOS XR Software7.0.90affected
CiscoCisco IOS XR Software6.6.3affected
CiscoCisco IOS XR Software6.7.1affected
CiscoCisco IOS XR Software7.0.2affected
CiscoCisco IOS XR Software7.1.15affected
CiscoCisco IOS XR Software7.2.0affected
CiscoCisco IOS XR Software7.2.1affected
CiscoCisco IOS XR Software7.1.2affected
CiscoCisco IOS XR Software6.7.2affected
CiscoCisco IOS XR Software7.1.25affected
CiscoCisco IOS XR Software6.6.4affected
CiscoCisco IOS XR Software7.3.1affected
CiscoCisco IOS XR Software7.1.3affected
CiscoCisco IOS XR Software6.7.3affected
CiscoCisco IOS XR Software7.4.1affected
CiscoCisco IOS XR Software7.2.2affected
CiscoCisco IOS XR Software6.5.31affected
CiscoCisco IOS XR Software6.8.1affected
CiscoCisco IOS XR Software7.4.15affected
CiscoCisco IOS XR Software6.5.32affected
CiscoCisco IOS XR Software7.3.2affected
CiscoCisco IOS XR Software7.5.1affected
CiscoCisco IOS XR Software7.4.16affected
CiscoCisco IOS XR Software7.3.27affected
CiscoCisco IOS XR Software7.6.1affected
CiscoCisco IOS XR Software7.5.2affected
CiscoCisco IOS XR Software7.6.15affected
CiscoCisco IOS XR Software7.3.3affected
CiscoCisco IOS XR Software7.7.1affected
CiscoCisco IOS XR Software6.8.2affected
CiscoCisco IOS XR Software7.3.4affected
CiscoCisco IOS XR Software7.4.2affected
CiscoCisco IOS XR Software6.7.35affected
CiscoCisco IOS XR Software6.9.1affected
CiscoCisco IOS XR Software7.6.2affected
CiscoCisco IOS XR Software7.8.1affected
CiscoCisco IOS XR Software7.5.3affected
CiscoCisco IOS XR Software7.7.2affected
CiscoCisco IOS XR Software6.9.2affected
CiscoCisco IOS XR Software7.9.1affected
CiscoCisco IOS XR Software7.8.2affected
CiscoCisco IOS XR Software7.5.4affected
CiscoCisco IOS XR Software6.5.33affected
CiscoCisco IOS XR Software7.8.22affected
CiscoCisco IOS XR Software7.10.1affected
CiscoCisco IOS XR Software7.7.21affected
CiscoCisco IOS XR Software7.9.2affected
CiscoCisco IOS XR Software7.3.5affected
CiscoCisco IOS XR Software7.5.5affected
CiscoCisco IOS XR Software7.11.1affected
CiscoCisco IOS XR Software7.9.21affected
CiscoCisco IOS XR Software7.10.2affected
CiscoCisco IOS XR Software7.6.3affected
CiscoCisco IOS XR Software24.1.1affected
CiscoCisco IOS XR Software7.3.6affected
CiscoCisco IOS XR Software7.11.2affected
CiscoCisco IOS XR Software24.2.1affected
CiscoCisco IOS XR Software24.1.2affected
CiscoCisco IOS XR Software24.2.11affected
CiscoCisco IOS XR Software24.3.1affected
CiscoCisco IOS XR Software24.4.1affected
CiscoCisco IOS XR Software24.2.2affected
CiscoCisco IOS XR Software7.8.23affected
CiscoCisco IOS XR Software7.11.21affected
CiscoCisco IOS XR Software24.2.20affected
CiscoCisco IOS XR Software24.3.2affected
CiscoCisco IOS XR Software24.4.10affected
CiscoCisco IOS XR Software6.5.35affected
CiscoCisco IOS XR Software24.4.15affected
CiscoCisco IOS XR Software6.5.351affected
CiscoCisco IOS XR Software6.5.352affected

Weaknesses

  • CWE-347: Improper Verification of Cryptographic Signature

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References