Riskcovery

CVE-2023-20233

State
Published
Severity
4.3 Medium
Published
Sep 13, 2023
Updated
Aug 2, 2024
Reserved
Oct 27, 2022

Read the record on cve.org

Description

A vulnerability in the Connectivity Fault Management (CFM) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to incorrect processing of invalid continuity check messages (CCMs). An attacker could exploit this vulnerability by sending crafted CCMs to an affected device. A successful exploit could allow the attacker to cause the CFM service to crash when a user displays information about maintenance end points (MEPs) for peer MEPs on an affected device.

Scores

CVSSScoreVectorSource
3.14.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Lcisco

Weaknesses

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
  • 5.3.0Affected
  • 5.3.1Affected
  • 5.3.2Affected
  • 5.3.3Affected
  • 5.3.4Affected
  • 6.1.1Affected
  • 6.1.2Affected
  • 6.1.3Affected
  • 6.1.4Affected
  • 6.2.1Affected
  • 6.2.2Affected
  • 6.2.3Affected
  • 6.2.25Affected
  • 6.3.2Affected
  • 6.3.3Affected
  • 6.3.15Affected
  • 6.4.1Affected
  • 6.4.2Affected
  • 6.4.3Affected
  • and 34 more versions

References

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