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.
References (1)
Core 1
Core References
Scores
CVSS v3
5.8
EPSS
0.0003
EPSS Percentile
9.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-284
Status
published
Products (44)
Cisco/Cisco SD-WAN vEdge Cloud
20.9.1
Cisco/Cisco SD-WAN vEdge Cloud
20.9.1.1
Cisco/Cisco SD-WAN vEdge Cloud
20.9.2
Cisco/Cisco SD-WAN vEdge Cloud
20.9.2.2
Cisco/Cisco SD-WAN vEdge Cloud
20.9.2.3
Cisco/Cisco SD-WAN vEdge Cloud
20.9.3
Cisco/Cisco SD-WAN vEdge Cloud
20.9.3.1
Cisco/Cisco SD-WAN vEdge Cloud
20.9.4
Cisco/Cisco SD-WAN vEdge Cloud
20.9.5
Cisco/Cisco SD-WAN vEdge Cloud
20.9.5.1
... and 34 more
Published
Sep 24, 2025
Tracked Since
Feb 18, 2026