Tracker / CVE-2026-20054
CVE-2026-20054
Medium 5.8
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 products and versions
| cisco | cyber_vision |
|---|---|
| cisco | secure_firewall_threat_defense |
| cisco | snort · 3.0.0-233 → 3.9.3.0 |
| cisco | unified_threat_defense_snort_intrusion_prevention_system_engine |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.