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CVE-2026-20022

A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition when OSPF canonicalization debug is enabled by using the command debug ip ospf canon. This vulnerability is due to insufficient input validation when processing OSPF LSU packets. An attacker could exploit this vulnerability by sending crafted unauthenticated OS
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9c77d204f688b190a5a63f96d9c0555f9008bab5b8693fde6b23dfb231ff1d2e
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

{"product":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software","vendor":"Cisco","versions":[{"status":"affected","version":"9.12.1"},{"status":"affected","version":"9.12.1.2"},{"status":"affected","version":"9.12.1.3"},{"status":"affected","version":"9.12.2"},{"status":"affected","version":"9.12.2.4"},{"status":"affected","version":"9.12.2.5"},{"status":"affected","version":"9.12.2.9"},{"status":"affected","version":"9.12.3"},{"status":"affected","version":"9.12.3.2"},{"status":"affected","version":"9.12.3.7"},{"status":"affected","version":"9.12.4"},{"status":"affected","versio…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d51c919f5049c245687f585e766e2a3ca295bdbd29e5578e1e01f145297d22a7 · sha256:99989d49f179f323… · /containers/cna/affected/0

{"product":"Cisco Secure Firewall Threat Defense (FTD) Software","vendor":"Cisco","versions":[{"status":"affected","version":"6.4.0"},{"status":"affected","version":"6.4.0.1"},{"status":"affected","version":"6.4.0.3"},{"status":"affected","version":"6.4.0.2"},{"status":"affected","version":"6.4.0.4"},{"status":"affected","version":"6.4.0.5"},{"status":"affected","version":"6.4.0.6"},{"status":"affected","version":"6.4.0.7"},{"status":"affected","version":"6.4.0.8"},{"status":"affected","version":"6.4.0.9"},{"status":"affected","version":"6.4.0.10"},{"status":"affected","version":"6.4.0.11"},{"…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d51c919f5049c245687f585e766e2a3ca295bdbd29e5578e1e01f145297d22a7 · sha256:99989d49f179f323… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"product":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software","vendor":"Cisco","versions":[{"status":"affected","version":"9.12.1"},{"status":"affected","version":"9.12.1.2"},{"status":"affected","version":"9.12.1.3"},{"status":"affected","version":"9.12.2"},{"status":"affected","version":"9.12.2.4"},{"status":"affected","version":"9.12.2.5"},{"status":"affected","version":"9.12.2.9"},{"status":"affected","version":"9.12.3"},{"status":"affected","version":"9.12.3.2"},{"status":"affected","version":"9.12.3.7"},{"status":"affected","version":"9.12.4"},{"status":"affected","versio…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d51c919f5049c245687f585e766e2a3ca295bdbd29e5578e1e01f145297d22a7 · sha256:99989d49f179f323… · /containers/cna/affected/0
{"product":"Cisco Secure Firewall Threat Defense (FTD) Software","vendor":"Cisco","versions":[{"status":"affected","version":"6.4.0"},{"status":"affected","version":"6.4.0.1"},{"status":"affected","version":"6.4.0.3"},{"status":"affected","version":"6.4.0.2"},{"status":"affected","version":"6.4.0.4"},{"status":"affected","version":"6.4.0.5"},{"status":"affected","version":"6.4.0.6"},{"status":"affected","version":"6.4.0.7"},{"status":"affected","version":"6.4.0.8"},{"status":"affected","version":"6.4.0.9"},{"status":"affected","version":"6.4.0.10"},{"status":"affected","version":"6.4.0.11"},{"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d51c919f5049c245687f585e766e2a3ca295bdbd29e5578e1e01f145297d22a7 · sha256:99989d49f179f323… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d51c919f5049c245687f585e766e2a3ca295bdbd29e5578e1e01f145297d22a7 · sha256:99989d49f179f323… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-823","description":"Use of Out-of-range Pointer Offset","lang":"en","type":"cwe"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d51c919f5049c245687f585e766e2a3ca295bdbd29e5578e1e01f145297d22a7 · sha256:99989d49f179f323… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"cisco-sa-asaftd-ospf-ZH8PhbSW","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ospf-ZH8PhbSW"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d51c919f5049c245687f585e766e2a3ca295bdbd29e5578e1e01f145297d22a7 · sha256:99989d49f179f323… · /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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