Cisco Cisco UTD SNORT IPS Engine Software
29 published vulnerabilities name this product.
As the CNAs write it in their CVE records (vendor and product); the versions are theirs.
| CVE | Vulnerable versions | Title | Severity | Published | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| CVE-2026-76445 | 17.12.1a ; 17.12.2 ; 17.12.3 ; … | Multiple Cisco Products Snort 3 Denial of Service Vulnerability | MEDIUM 5.3 | 0.5 % | ||
| CVE-2026-20356 | 17.12.1a ; 17.12.2 ; 17.13.1a ; … | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 | HIGH 7.5 | 0.4 % | ||
| CVE-2026-20236 | 17.12.1a ; 17.12.2 ; 17.13.1a ; … | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 | HIGH 7.5 | 0.4 % | ||
| CVE-2026-20291 | 17.12.1a ; 17.12.2 ; 17.13.1a ; … | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 | HIGH 7.8 | 0.2 % | ||
| CVE-2026-20221 | 3.17.1S ; 16.12.3 ; Fuji-16.9.5 ; … | Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities | MEDIUM 5.8 | 0.6 % | ||
| CVE-2026-20197 | 17.12.1a ; 17.12.2 ; 17.13.1a ; … | Multiple Cisco Products Snort 3 Teredo Protocol Denial of Service Vulnerability | MEDIUM 5.8 | 0.5 % | ||
| CVE-2026-20218 | 17.12.1a ; 17.12.2 ; 17.13.1a ; … | Cisco Secure Firewall Threat Defense Snort 3 Visual Basic for Applications Buffer Overflow Denial of Service Vulnerability | MEDIUM 5.8 | 0.6 % | ||
| CVE-2026-20179 | 17.12.1a ; 17.12.2 ; 17.13.1a ; … | Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities | MEDIUM 5.8 | 0.5 % | ||
| CVE-2026-20043 | 17.3.1a ; 17.3.2 ; 17.4.1a ; … | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 | CRITICAL 9.0 | 0.4 % | ||
| CVE-2026-20019 | 17.12.1a ; 17.12.2 ; 17.13.1a ; … | Multiple Cisco Products Snort 3 Netflow Denial of Service Vulnerabilities | MEDIUM 5.8 | 0.5 % | ||
| CVE-2026-20011 | 3.17.1S ; 16.12.3 ; Fuji-16.9.5 ; … | Multiple Cisco Products Snort 3 SMTP MIME Denial of Service Vulnerability | MEDIUM 5.8 | 0.5 % | ||
| CVE-2026-20068 | 17.3.1a ; 17.2.1r ; 17.3.2 ; … | Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability | MEDIUM 5.8 | 0.4 % | ||
| CVE-2026-20067 | 17.3.1a ; 17.2.1r ; 17.3.2 ; … | Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability | MEDIUM 5.8 | 0.5 % | ||
| CVE-2026-20066 | 17.3.1a ; 17.2.1r ; 17.3.2 ; … | Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability | MEDIUM 5.8 | 0.5 % | ||
| CVE-2026-20065 | 17.3.1a ; 17.2.1r ; 17.3.2 ; … | Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability | MEDIUM 5.8 | 0.4 % | ||
| CVE-2026-20058 | 17.9.3a ; 17.12.1a ; 17.12.2 ; … | Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability | MEDIUM 5.8 | 0.4 % | ||
| CVE-2026-20057 | 17.12.1a ; 17.12.2 ; 17.13.1a ; … | Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability | MEDIUM 5.8 | 0.5 % | ||
| CVE-2026-20054 | 3.17.1S ; 16.12.3 ; Fuji-16.9.5 ; … | Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Infinite Loop Denial of Service Vulnerability | MEDIUM 5.8 | 0.5 % | ||
| CVE-2026-20053 | 17.12.1a ; 17.9.4 ; 17.12.2 ; … | Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Heap Overflow Denial of Service Vulnerability | MEDIUM 5.8 | 0.4 % | ||
| CVE-2026-20005 | 17.2.1r ; 17.3.1a ; 17.3.2 ; … | Multiple Cisco products are affected by a vulnerability in the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker | MEDIUM 5.8 | 0.5 % | ||
| CVE-2026-20027 | 3.17.1S ; 16.12.3 ; Fuji-16.9.5 ; … | Cisco Snort DCERPC Stub Data Out of Bounds Read | MEDIUM 5.3 | 0.6 % | ||
| CVE-2026-20026 | 3.17.1S ; 16.12.3 ; Fuji-16.9.5 ; … | Multiple Cisco Products Snort 3 DCERPC Vulnerabilities | MEDIUM 5.8 | 0.7 % | ||
| CVE-2025-20359 | 3.17.1S ; 16.12.3 ; 16.12.4 ; … | Multiple Cisco Products Snort 3 MIME Information Disclosure or Denial of Service Vulnerability | CRITICAL 9.1 | 0.5 % | ||
| CVE-2021-1285 | 16.12.3 ; Fuji-16.9.5 ; 16.12.4 ; … | Multiple Cisco Products SNORT Ethernet Frame Decoder Denial of Service Vulnerability | HIGH 7.4 | 2.9 % | ||
| CVE-2021-1494 | 16.12.1a ; 16.12.2 ; 16.12.3 ; … | Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker t | MEDIUM 5.8 | 1.1 % | ||
| CVE-2022-20685 | 3.17.1S ; 16.12.3 ; Fuji-16.9.5 ; … | Multiple Cisco Products Snort Modbus Denial of Service Vulnerability | HIGH 7.5 | 1.5 % | ||
| CVE-2024-20508 | 17.12.1a ; 17.12.2 ; 17.13.1a ; … | Cisco UTD Snort IPS Engine Software for Cisco IOS XE Software Security Policy Bypass and Denial of Service Vulnerability | MEDIUM 6.5 | 0.4 % | ||
| CVE-2024-20363 | 17.6.4 ; 17.6.5 ; 17.12.1a ; … | Multiple Cisco products are affected by a vulnerability in the Snort Intrusion Prevention System (IPS) rule engine that could allow an unaut | MEDIUM 5.8 | 0.4 % | ||
| CVE-2023-20071 | 16.12.1a ; 16.12.2 ; 16.12.3 ; … | Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker t | MEDIUM 5.8 | 0.5 % |