Vulnerability in Cisco Cyber Vision
CVE-2026-20068
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 inspectio…
EPSS: 0.000 (10.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L.
Affected products
- Cisco Cyber Vision — versions 3.0.0, 3.0.2, 3.0.3
- Cisco Secure Firewall Threat Defense (Ftd) Software — versions 7.2.4, 7.2.5, 7.2.4.1
- Cisco Utd Snort Ips Engine Software — versions 17.3.1a, 17.2.1r, 17.3.2
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-20068?
- CVE-2026-20068 is a medium-severity vulnerability in Cisco Cyber Vision, classified under CWE-248. CVSS score: 5.8/10. Published 2026-03-04.
- How severe is CVE-2026-20068?
- Medium severity. CVSS v3 base score is 5.8 out of 10.