Snort vulnerabilities

2 known vulnerabilities in Snort from Cisco. 2 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 9.1 Critical severity

  Cisco Cyber Vision: Buffer Under-read

  CVE-2025-20359Oct 15, 2025Cisco

  Multiple Cisco products are affected by a vulnerability in the Snort 3 HTTP Decoder that could allow an unauthenticated, remote attacker to cause the disclosure of possible sensitive data or cause the Snort 3 Detection Engine to crash. This vulnerability is du

• 8.6 High severity

  Cisco Firepower Threat Defense Software: Comparison Using Wrong Factors

  CVE-2024-20342Oct 23, 2024Cisco

  Multiple Cisco products are affected by a vulnerability in the rate filtering feature of the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured rate limiting filter.  This vulnerability is due to an incorrec