THREAT OPS › Threat News › [NVD] CVE-2026-20067 (MEDIUM 5.8) — Multiple Cisco products are affected by a vulnerability in the Snort 3 detection engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption of packet inspection.
This vulnerability is due to
[NVD] CVE-2026-20067 (MEDIUM 5.8) — Multiple Cisco products are affected by a vulnerability in the Snort 3 detection engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption of packet inspection. This vulnerability is due to
CVE-2026-20067 CVSS: 5.8 MEDIUM Published: 2026-03-04T18:16:21.950
Multiple Cisco products are affected by a vulnerability in the Snort 3 detection engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption of packet inspection.
This vulnerability is due to incomplete error checking when parsing the Multicast
Indicators of compromise
- CVE-2026-20067cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-20067