CU
Product
Cisco UTD SNORT IPS Engine Software
27
CVEs
0
On KEV
9.1
Max CVSS
11
New 30D
Severity mix
Critical 2High 5Medium 20Low 0
Watch
Add Cisco UTD SNORT IPS Engine Software to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2025-20359 | 9.1 | Oct 15 | Multiple Cisco Products Snort 3 MIME Information Disclosure or Denial of Service Vulnerability Affected: 3.17.1S; 16.12.3; 16.12.4; 17.3.1a; 16.6.6; 16.12.2; +34 more |
| CVE-2026-20043 | 9.0 | Oct 21 | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 Affected: 17.3.1a; 17.3.2; 17.4.1a; 17.5.1; 17.3.3; 17.5.1a; +34 more |
| CVE-2026-20291 | 7.8 | Oct 21 | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 Affected: 17.12.1a; 17.12.2; 17.13.1a; 17.12.3; 17.14.1a; 17.12.4; +32 more |
| CVE-2026-20356 | 7.5 | Oct 21 | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 Affected: 17.12.1a; 17.12.2; 17.13.1a; 17.12.3; 17.14.1a; 17.12.4; +32 more |
| CVE-2026-20236 | 7.5 | Oct 21 | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 Affected: 17.12.1a; 17.12.2; 17.13.1a; 17.12.3; 17.14.1a; 17.12.4; +32 more |
| CVE-2022-20685 | 7.5 | Nov 15 | Multiple Cisco Products Snort Modbus Denial of Service Vulnerability Affected: 3.17.1S; 16.12.3; Fuji-16.9.5; 16.12.4; 17.3.1a; 16.6.6; +34 more |
| CVE-2021-1285 | 7.4 | Nov 18 | Multiple Cisco Products SNORT Ethernet Frame Decoder Denial of Service Vulnerability Affected: 16.12.3; Fuji-16.9.5; 16.12.4; 17.3.1a; 16.6.6; 16.12.2; +20 more |
| CVE-2024-20508 | 6.5 | Sep 25 | Cisco UTD Snort IPS Engine Software for Cisco IOS XE Software Security Policy Bypass and Denial of Service Vulnerability Affected: 17.12.1a; 17.12.2; 17.13.1a; 17.12.3; 17.12.3a; 17.15.1a; +10 more |
| CVE-2026-20221 | 5.8 | Oct 21 | Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities Affected: 3.17.1S; 16.12.3; Fuji-16.9.5; 16.12.4; 17.3.1a; 16.6.6; +34 more |
| CVE-2026-20197 | 5.8 | Oct 21 | Multiple Cisco Products Snort 3 Teredo Protocol Denial of Service Vulnerability Affected: 17.12.1a; 17.12.2; 17.13.1a; 17.12.3; 17.14.1a; 17.12.4; +32 more |
| CVE-2026-20218 | 5.8 | Oct 21 | Cisco Secure Firewall Threat Defense Snort 3 Visual Basic for Applications Buffer Overflow Denial of Service Vulnerability Affected: 17.12.1a; 17.12.2; 17.13.1a; 17.12.3; 17.14.1a; 17.12.4; +32 more |
| CVE-2026-20179 | 5.8 | Oct 21 | Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities Affected: 17.12.1a; 17.12.2; 17.13.1a; 17.12.3; 17.14.1a; 17.12.4; +32 more |
| CVE-2026-20019 | 5.8 | Oct 21 | Multiple Cisco Products Snort 3 Netflow Denial of Service Vulnerabilities Affected: 17.12.1a; 17.12.2; 17.13.1a; 17.12.3; 17.14.1a; 17.12.4; +32 more |
| CVE-2026-20011 | 5.8 | Oct 21 | Multiple Cisco Products Snort 3 SMTP MIME Denial of Service Vulnerability Affected: 3.17.1S; 16.12.3; Fuji-16.9.5; 16.12.4; 17.3.1a; 16.6.6; +34 more |
| CVE-2026-20068 | 5.8 | Mar 4 | Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability Affected: 17.3.1a; 17.2.1r; 17.3.2; 17.4.1a; 17.5.1; 17.3.3; +34 more |
| CVE-2026-20067 | 5.8 | Mar 4 | Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability Affected: 17.3.1a; 17.2.1r; 17.3.2; 17.4.1a; 17.5.1; 17.3.3; +34 more |
| CVE-2026-20066 | 5.8 | Mar 4 | Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability Affected: 17.3.1a; 17.2.1r; 17.3.2; 17.4.1a; 17.5.1; 17.3.3; +34 more |
| CVE-2026-20065 | 5.8 | Mar 4 | Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability Affected: 17.3.1a; 17.2.1r; 17.3.2; 17.4.1a; 17.5.1; 17.3.3; +34 more |
| CVE-2026-20058 | 5.8 | Mar 4 | Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability Affected: 17.9.3a; 17.12.1a; 17.12.2; 17.13.1a; 17.9.5a; 17.12.3; +24 more |
| CVE-2026-20057 | 5.8 | Mar 4 | Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability Affected: 17.12.1a; 17.12.2; 17.13.1a; 17.12.3; 17.14.1a; 17.12.4; +21 more |
| CVE-2026-20054 | 5.8 | Mar 4 | Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Infinite Loop Denial of Service Vulnerability Affected: 3.17.1S; 16.12.3; Fuji-16.9.5; 16.12.4; 17.3.1a; 16.6.6; +34 more |
| CVE-2026-20053 | 5.8 | Mar 4 | Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Heap Overflow Denial of Service Vulnerability Affected: 17.12.1a; 17.9.4; 17.12.2; 17.13.1a; 17.12.3; 17.14.1a; +23 more |
| CVE-2026-20005 | 5.8 | Mar 4 | 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… Affected: 17.2.1r; 17.3.1a; 17.3.2; 17.3.3; 17.3.4a; 17.3.6; +34 more |
| CVE-2026-20026 | 5.8 | Jan 7 | Multiple Cisco Products Snort 3 DCERPC Vulnerabilities Affected: 3.17.1S; 16.12.3; Fuji-16.9.5; 16.12.4; 17.3.1a; 16.6.6; +34 more |
| CVE-2021-1494 | 5.8 | Nov 15 | Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured file policy for… Affected: 16.12.1a; 16.12.2; 16.12.3; 16.12.4; 16.6.1; 16.6.5; +23 more |
| CVE-2026-76445 | 5.3 | Oct 21 | Multiple Cisco Products Snort 3 Denial of Service Vulnerability Affected: 17.12.1a; 17.12.2; 17.12.3; 17.12.4; 17.12.3a; 17.15.1a; +26 more |
| CVE-2026-20027 | 5.3 | Jan 7 | Cisco Snort DCERPC Stub Data Out of Bounds Read Affected: 3.17.1S; 16.12.3; Fuji-16.9.5; 16.12.4; 17.3.1a; 16.6.6; +34 more |
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