Cisco Cisco Open Source Snort3
13 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-2026-76524 | 3.12.2.0 ; 3.1.2.0 ; 3.1.3.0 ; … | Open Source Snort 3 Control Channel Socket Aribitrary Command Execution Vulnerability | HIGH 7.8 | 0.2 % | ||
| CVE-2026-76489 | 3.12.2.0 ; 3.1.2.0 ; 3.1.3.0 ; … | Multiple Cisco Products Snort 3 Generic File Processing Memory Exhaustion Denial of Service Vulnerability | MEDIUM 5.8 | 0.5 % | ||
| CVE-2026-76445 | 3.12.2.0 ; 3.1.2.0 ; 3.1.3.0 ; … | Multiple Cisco Products Snort 3 Denial of Service Vulnerability | MEDIUM 5.3 | 0.5 % | ||
| CVE-2026-20356 | 3.12.2.0 ; 3.1.2.0 ; 3.1.3.0 ; … | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 | HIGH 7.5 | 0.4 % | ||
| CVE-2026-20236 | 3.12.2.0 ; 3.1.2.0 ; 3.1.3.0 ; … | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 | HIGH 7.5 | 0.4 % | ||
| CVE-2026-20291 | 3.12.2.0 ; 3.1.2.0 ; 3.1.3.0 ; … | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 | HIGH 7.8 | 0.2 % | ||
| CVE-2026-20221 | 3.12.2.0 ; 3.1.2.0 ; 3.1.3.0 ; … | Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities | MEDIUM 5.8 | 0.6 % | ||
| CVE-2026-20197 | 3.12.2.0 ; 3.1.2.0 ; 3.1.3.0 ; … | Multiple Cisco Products Snort 3 Teredo Protocol Denial of Service Vulnerability | MEDIUM 5.8 | 0.5 % | ||
| CVE-2026-20218 | 3.12.2.0 ; 3.1.2.0 ; 3.1.3.0 ; … | 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 | 3.12.2.0 ; 3.1.2.0 ; 3.1.3.0 ; … | Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerabilities | MEDIUM 5.8 | 0.5 % | ||
| CVE-2026-20043 | 3.12.2.0 ; 3.1.2.0 ; 3.1.3.0 ; … | Multiple Cisco Products Snort 3 Software Hardening Release: October 2026 | CRITICAL 9.0 | 0.4 % | ||
| CVE-2026-20019 | 3.12.2.0 ; 3.1.2.0 ; 3.1.3.0 ; … | Multiple Cisco Products Snort 3 Netflow Denial of Service Vulnerabilities | MEDIUM 5.8 | 0.5 % | ||
| CVE-2026-20011 | 3.1.2.0 ; 3.1.3.0 ; 3.1.4.0 ; … | Multiple Cisco Products Snort 3 SMTP MIME Denial of Service Vulnerability | MEDIUM 5.8 | 0.5 % |