CVE-2023-20246
MEDIUMSnort 3.0.0-3.1.56.9 - Unauthenticated Access Control Policy Bypass
Title source: llmDescription
Multiple Cisco products are affected by a vulnerability in Snort access control policies that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. This vulnerability is due to a logic error that occurs when the access control policies are being populated. An attacker could exploit this vulnerability by establishing a connection to an affected device. A successful exploit could allow the attacker to bypass configured access control rules on the affected system.
References (1)
Core 1
Core References
Scores
CVSS v3
5.8
EPSS
0.0006
EPSS Percentile
20.1%
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
no
Technical Impact
partial
Details
CWE
CWE-290
Status
published
Products (3)
cisco/firepower_threat_defense
7.0.0 - 7.3.1.1
cisco/ios_xe
17.12 - 17.12.2
snort/snort
3.0.0 - 3.1.57.0
Published
Nov 01, 2023
Tracked Since
Feb 18, 2026