Vulnerability in Cisco Cyber Vision
CVE-2025-20359
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. …
EPSS: 0.002 (36.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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 7.4.1, 7.4.1.1, 7.6.0
- Cisco Utd Snort Ips Engine Software — versions 3.17.1S, 16.12.3, 16.12.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-20359?
- CVE-2025-20359 is a medium-severity vulnerability in Cisco Cyber Vision, classified under Buffer Under-read. CVSS score: 6.5/10. Published 2025-10-15.
- How severe is CVE-2025-20359?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2025-20359 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.