Cloudanix VulnDB

CVE-2026-20054

Medium · 5.8

CVSS

5.8

EPSS

0.5%

Published

Mar 4, 2026

CISA due date

—

The record

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.

Affected packages

Ecosystem Package Introduced Fixed

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