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Vulnerability Intelligence

CVE-2025-20339

Medium 5.8

Published
Last modified
NVD status
Deferred

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.

References1

Metrics

CVSS 3.1
5.8 MEDIUM Score source: CNA CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
EPSS — exploit probability
0% percentile: 25 · as of 8 November 2026
CWE
CWE-284

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