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CVE-2026-20054

Multiple Cisco products are affected by a vulnerability in the Snort 3 VBA feature that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash.  This vulnerability is due to improper error checking when decompressing VBA data. An attacker could exploit this vulnerability by sending crafted VBA data to the Snort 3 Detection Engine on the targeted device. A successful exploit could allow the attacker to cause the Snort 3 Detection Engine to enter an
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:46f3be0996af320b511afaa238888c9e0ecb3179a9dc0b73251a8361cc82087b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"defaultStatus":"unknown","product":"Cisco UTD SNORT IPS Engine Software","vendor":"Cisco","versions":[{"status":"affected","version":"3.17.1S"},{"status":"affected","version":"16.12.3"},{"status":"affected","version":"Fuji-16.9.5"},{"status":"affected","version":"16.12.4"},{"status":"affected","version":"17.3.1a"},{"status":"affected","version":"16.6.6"},{"status":"affected","version":"16.12.2"},{"status":"affected","version":"Fuji-16.9.6"},{"status":"affected","version":"3.17.0S"},{"status":"affected","version":"Fuji-16.9.3"},{"status":"affected","version":"Denali-16.3.7"},{"status":"affect…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4f1559af09f1093b00c97db96e9b98b38916a5ed61b55f0447fbedae931f6871 · sha256:ba55e513a51de46c… · /containers/cna/affected/2

{"defaultStatus":"unknown","product":"Cisco Cyber Vision","vendor":"Cisco","versions":[{"status":"affected","version":"3.0.0"},{"status":"affected","version":"3.0.2"},{"status":"affected","version":"3.0.3"},{"status":"affected","version":"3.0.1"},{"status":"affected","version":"3.1.0"},{"status":"affected","version":"3.0.4"},{"status":"affected","version":"3.1.1"},{"status":"affected","version":"3.1.2"},{"status":"affected","version":"3.2.0"},{"status":"affected","version":"3.0.5"},{"status":"affected","version":"3.2.1"},{"status":"affected","version":"3.0.6"},{"status":"affected","version":"3…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4f1559af09f1093b00c97db96e9b98b38916a5ed61b55f0447fbedae931f6871 · sha256:ba55e513a51de46c… · /containers/cna/affected/0

{"defaultStatus":"unknown","product":"Cisco Secure Firewall Threat Defense (FTD) Software","vendor":"Cisco","versions":[{"status":"affected","version":"7.2.0"},{"status":"affected","version":"7.2.0.1"},{"status":"affected","version":"7.2.1"},{"status":"affected","version":"7.3.0"},{"status":"affected","version":"7.2.2"},{"status":"affected","version":"7.2.3"},{"status":"affected","version":"7.3.1"},{"status":"affected","version":"7.2.4"},{"status":"affected","version":"7.2.5"},{"status":"affected","version":"7.2.4.1"},{"status":"affected","version":"7.3.1.1"},{"status":"affected","version":"7.…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4f1559af09f1093b00c97db96e9b98b38916a5ed61b55f0447fbedae931f6871 · sha256:ba55e513a51de46c… · /containers/cna/affected/1

Affected products and versions

3 source assertions
{"defaultStatus":"unknown","product":"Cisco UTD SNORT IPS Engine Software","vendor":"Cisco","versions":[{"status":"affected","version":"3.17.1S"},{"status":"affected","version":"16.12.3"},{"status":"affected","version":"Fuji-16.9.5"},{"status":"affected","version":"16.12.4"},{"status":"affected","version":"17.3.1a"},{"status":"affected","version":"16.6.6"},{"status":"affected","version":"16.12.2"},{"status":"affected","version":"Fuji-16.9.6"},{"status":"affected","version":"3.17.0S"},{"status":"affected","version":"Fuji-16.9.3"},{"status":"affected","version":"Denali-16.3.7"},{"status":"affect…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4f1559af09f1093b00c97db96e9b98b38916a5ed61b55f0447fbedae931f6871 · sha256:ba55e513a51de46c… · /containers/cna/affected/2
{"defaultStatus":"unknown","product":"Cisco Cyber Vision","vendor":"Cisco","versions":[{"status":"affected","version":"3.0.0"},{"status":"affected","version":"3.0.2"},{"status":"affected","version":"3.0.3"},{"status":"affected","version":"3.0.1"},{"status":"affected","version":"3.1.0"},{"status":"affected","version":"3.0.4"},{"status":"affected","version":"3.1.1"},{"status":"affected","version":"3.1.2"},{"status":"affected","version":"3.2.0"},{"status":"affected","version":"3.0.5"},{"status":"affected","version":"3.2.1"},{"status":"affected","version":"3.0.6"},{"status":"affected","version":"3…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4f1559af09f1093b00c97db96e9b98b38916a5ed61b55f0447fbedae931f6871 · sha256:ba55e513a51de46c… · /containers/cna/affected/0
{"defaultStatus":"unknown","product":"Cisco Secure Firewall Threat Defense (FTD) Software","vendor":"Cisco","versions":[{"status":"affected","version":"7.2.0"},{"status":"affected","version":"7.2.0.1"},{"status":"affected","version":"7.2.1"},{"status":"affected","version":"7.3.0"},{"status":"affected","version":"7.2.2"},{"status":"affected","version":"7.2.3"},{"status":"affected","version":"7.3.1"},{"status":"affected","version":"7.2.4"},{"status":"affected","version":"7.2.5"},{"status":"affected","version":"7.2.4.1"},{"status":"affected","version":"7.3.1.1"},{"status":"affected","version":"7.…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4f1559af09f1093b00c97db96e9b98b38916a5ed61b55f0447fbedae931f6871 · sha256:ba55e513a51de46c… · /containers/cna/affected/1

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:v2:4f1559af09f1093b00c97db96e9b98b38916a5ed61b55f0447fbedae931f6871 · sha256:ba55e513a51de46c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-835","description":"Loop with Unreachable Exit Condition ('Infinite Loop')","lang":"en","type":"cwe"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4f1559af09f1093b00c97db96e9b98b38916a5ed61b55f0447fbedae931f6871 · sha256:ba55e513a51de46c… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"cisco-sa-ftd-snort3-vbavuls-96UcVVed","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3-vbavuls-96UcVVed"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4f1559af09f1093b00c97db96e9b98b38916a5ed61b55f0447fbedae931f6871 · sha256:ba55e513a51de46c… · /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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