Snort
50 CVEs tracked. None of them is in CISA KEV.
This hub aggregates every CVE we track for Snort, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.
Snort CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 3 |
| 2024-11 | 3 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 0 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 0 |
| 2025-06 | 0 |
| 2025-07 | 0 |
| 2025-08 | 0 |
| 2025-09 | 0 |
| 2025-10 | 1 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 2 |
| 2026-02 | 0 |
| 2026-03 | 9 |
| 2026-04 | 0 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 0 |
| 2026-08 | 0 |
| 2026-09 | 0 |
Severity
How the 50 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical3
- High13
- Medium34
Latest CVEs
The 15 most recently published vulnerabilities affecting Snort.
- CVE-2026-20068Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability5.8
- CVE-2026-20067Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability5.8
- CVE-2026-20066Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability5.8
- CVE-2026-20065Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability5.8
- CVE-2026-20058Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability5.8
- CVE-2026-20057Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability5.8
- CVE-2026-20054Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Infinite Loop Denial of Service Vulnerability5.8
- CVE-2026-20053Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Heap Overflow Denial of Service Vulnerability5.8
- CVE-2026-20005Multiple 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, result...5.8
- CVE-2026-20026Multiple Cisco Products Snort 3 DCERPC Vulnerabilities5.8
- CVE-2026-20027Cisco Snort DCERPC Stub Data Out of Bounds Read5.3
- CVE-2025-20359Multiple Cisco Products Snort 3 MIME Information Disclosure or Denial of Service Vulnerability6.5
- CVE-2021-1285Multiple Cisco Products SNORT Ethernet Frame Decoder Denial of Service Vulnerability7.4
- CVE-2021-1494Multiple 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 HTTP. The vulnera...5.8
- CVE-2022-20685Multiple Cisco Products Snort Modbus Denial of Service Vulnerability7.5
Product grouping is registry-driven, with AI assist and human review. How it works