Description

Multiple Cisco products are affected by a vulnerability in the Snort 3 VBA feature that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash.  This vulnerability is due to improper error checking when decompressing VBA data. An attacker could exploit this vulnerability by sending crafted VBA data to the Snort 3 Detection Engine on the targeted device. A successful exploit could allow the attacker to cause the Snort 3 Detection Engine to enter an infinite loop, causing a DoS condition.

INFO

Published Date :

2026-03-04T17:47:05.854Z

Last Modified :

2026-03-04T21:30:54.724Z

Source :

cisco
AFFECTED PRODUCTS

The following products are affected by CVE-2026-20054 vulnerability.

Vendors Products
Cisco
  • Cisco Utd Snort Ips Engine Software
  • Cyber Vision
  • Secure Firewall Threat Defense
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-20054.

URL Resource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3-vbavuls-96UcVVed cve-icon cve-icon
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CVSS Vulnerability Scoring System

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