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CVE-2026-20065

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 to restart, resulting in an interruption of packet inspection. This vulnerability is due to an error in the binder module initialization logic of the Snort Detection Engine. An attacker could exploit this vulnerability by sending certain packets through an established connection that is parsed by Snort 3. A successfu
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:08d0ad46f8df7a907cad5dbc77325968afc7cd1bc0ab1e43cfab34d6142ca3c4
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unknown","product":"Cisco UTD SNORT IPS Engine Software","vendor":"Cisco","versions":[{"status":"affected","version":"17.3.1a"},{"status":"affected","version":"17.2.1r"},{"status":"affected","version":"17.3.2"},{"status":"affected","version":"17.4.1a"},{"status":"affected","version":"17.5.1"},{"status":"affected","version":"17.3.3"},{"status":"affected","version":"17.5.1a"},{"status":"affected","version":"17.3.4"},{"status":"affected","version":"17.3.4a"},{"status":"affected","version":"17.4.2"},{"status":"affected","version":"17.4.1b"},{"status":"affected","version":"17.6.1a…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cd1b194190bcf5b26116b1804327e94ecfa948af6cc8f8bd944c9b51016fa9b9 · sha256:ce563e0afcd3c585… · /containers/cna/affected/1

{"defaultStatus":"unknown","product":"Cisco Secure Firewall Threat Defense (FTD) Software","vendor":"Cisco","versions":[{"status":"affected","version":"7.0.0"},{"status":"affected","version":"7.0.0.1"},{"status":"affected","version":"7.0.1"},{"status":"affected","version":"7.1.0"},{"status":"affected","version":"7.0.1.1"},{"status":"affected","version":"7.1.0.1"},{"status":"affected","version":"7.0.2"},{"status":"affected","version":"7.2.0"},{"status":"affected","version":"7.0.2.1"},{"status":"affected","version":"7.0.3"},{"status":"affected","version":"7.1.0.2"},{"status":"affected","version"…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cd1b194190bcf5b26116b1804327e94ecfa948af6cc8f8bd944c9b51016fa9b9 · sha256:ce563e0afcd3c585… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"unknown","product":"Cisco UTD SNORT IPS Engine Software","vendor":"Cisco","versions":[{"status":"affected","version":"17.3.1a"},{"status":"affected","version":"17.2.1r"},{"status":"affected","version":"17.3.2"},{"status":"affected","version":"17.4.1a"},{"status":"affected","version":"17.5.1"},{"status":"affected","version":"17.3.3"},{"status":"affected","version":"17.5.1a"},{"status":"affected","version":"17.3.4"},{"status":"affected","version":"17.3.4a"},{"status":"affected","version":"17.4.2"},{"status":"affected","version":"17.4.1b"},{"status":"affected","version":"17.6.1a…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cd1b194190bcf5b26116b1804327e94ecfa948af6cc8f8bd944c9b51016fa9b9 · sha256:ce563e0afcd3c585… · /containers/cna/affected/1
{"defaultStatus":"unknown","product":"Cisco Secure Firewall Threat Defense (FTD) Software","vendor":"Cisco","versions":[{"status":"affected","version":"7.0.0"},{"status":"affected","version":"7.0.0.1"},{"status":"affected","version":"7.0.1"},{"status":"affected","version":"7.1.0"},{"status":"affected","version":"7.0.1.1"},{"status":"affected","version":"7.1.0.1"},{"status":"affected","version":"7.0.2"},{"status":"affected","version":"7.2.0"},{"status":"affected","version":"7.0.2.1"},{"status":"affected","version":"7.0.3"},{"status":"affected","version":"7.1.0.2"},{"status":"affected","version"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cd1b194190bcf5b26116b1804327e94ecfa948af6cc8f8bd944c9b51016fa9b9 · sha256:ce563e0afcd3c585… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.8,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:cd1b194190bcf5b26116b1804327e94ecfa948af6cc8f8bd944c9b51016fa9b9 · sha256:ce563e0afcd3c585… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-667","description":"Improper Locking","lang":"en","type":"cwe"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cd1b194190bcf5b26116b1804327e94ecfa948af6cc8f8bd944c9b51016fa9b9 · sha256:ce563e0afcd3c585… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"cisco-sa-snort3-multi-dos-XFWkWSwz","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-multi-dos-XFWkWSwz"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cd1b194190bcf5b26116b1804327e94ecfa948af6cc8f8bd944c9b51016fa9b9 · sha256:ce563e0afcd3c585… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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