CVE-2025-20339
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.
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco Cisco SD-WAN vEdge Cloud | 20.9.1, 20.9.1.1, 20.9.2, 20.9.3, 20.9.3.1, 20.9.2.2, 20.9.2.3, 20.9.4, 20.9.5, 20.9.5.1, 20.9.6, 20.9.5.3 | — |
| Cisco Cisco SD-WAN vEdge Router | 20.3.1, 20.3.2, 20.4.1, 20.4.1.1, 20.3.3, 20.4.1.2, 20.4.2, 20.3.4, 20.3.5, 20.9.1, 20.3.6, 20.9.2, 20.3.7, 20.9.3, 20.3.3.2, 20.3.4.3, 20.9.3.1, 20.3.7.1, 20.3.5.1, 20.4.2.3, 20.9.2.2, 20.3.7.2, 20.9.2.3, 20.9.4, 20.12.1, 20.3.8, 20.9.4.1777, 20.9.5, 20.9.5.1, 20.12.3.1, 20.9.6, 20.9.5.3 | — |
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