Riskcovery

CVE-2025-20339

Cisco SD-WAN vEdge Software Access Control List Bypass Vulnerability

State
Published
Severity
5.8 Medium
Published
Sep 24, 2025
Updated
Sep 24, 2025
Reserved
Oct 10, 2024

Read the record on cve.org

Description

A vulnerability in the access control list (ACL) processing of IPv4 packets of Cisco SD-WAN vEdge Software could allow an unauthenticated, remote attacker to bypass a configured ACL.

This vulnerability is due to the improper enforcement of the implicit deny all at the end of a configured ACL. An attacker could exploit this vulnerability by attempting to send unauthorized traffic to an interface on an affected device. A successful exploit could allow the attacker to bypass an ACL on the affected device.

Scores

CVSSScoreVectorSource
3.15.8 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:Ncisco

Weaknesses

Affected Products

ProductVersions
Cisco SD-WAN vEdge CloudCisco
  • 20.9.1Affected
  • 20.9.1.1Affected
  • 20.9.2Affected
  • 20.9.3Affected
  • 20.9.3.1Affected
  • 20.9.2.2Affected
  • 20.9.2.3Affected
  • 20.9.4Affected
  • 20.9.5Affected
  • 20.9.5.1Affected
  • 20.9.6Affected
  • 20.9.5.3Affected
Cisco SD-WAN vEdge RouterCisco
  • 20.3.1Affected
  • 20.3.2Affected
  • 20.4.1Affected
  • 20.4.1.1Affected
  • 20.3.3Affected
  • 20.4.1.2Affected
  • 20.4.2Affected
  • 20.3.4Affected
  • 20.3.5Affected
  • 20.9.1Affected
  • 20.3.6Affected
  • 20.9.2Affected
  • 20.3.7Affected
  • 20.9.3Affected
  • 20.3.3.2Affected
  • 20.3.4.3Affected
  • 20.9.3.1Affected
  • 20.3.7.1Affected
  • 20.3.5.1Affected
  • 20.4.2.3Affected
  • 20.9.2.2Affected
  • 20.3.7.2Affected
  • 20.9.2.3Affected
  • 20.9.4Affected
  • 20.12.1Affected
  • and 7 more versions

References

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