Riskcovery

CVE-2023-20236

State
Published
Severity
6.7 Medium
Published
Sep 13, 2023
Updated
Dec 16, 2025
Reserved
Oct 27, 2022

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.16.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hcisco

Weaknesses

  • CWE-347 Improper Verification of Cryptographic Signature

Affected Products

ProductVersions
Cisco IOS XR SoftwareCisco
  • 5.2.0Affected
  • 5.2.1Affected
  • 5.2.2Affected
  • 5.2.4Affected
  • 5.2.3Affected
  • 5.2.5Affected
  • 5.2.47Affected
  • 5.3.0Affected
  • 5.3.1Affected
  • 5.3.2Affected
  • 5.3.3Affected
  • 5.3.4Affected
  • 6.0.0Affected
  • 6.0.1Affected
  • 6.0.2Affected
  • 6.1.1Affected
  • 6.1.2Affected
  • 6.1.3Affected
  • 6.1.4Affected
  • 6.1.12Affected
  • 6.1.22Affected
  • 6.1.32Affected
  • 6.1.36Affected
  • 6.1.42Affected
  • 6.2.1Affected
  • and 62 more versions

References

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