CVE Explorer
CVE-2026-20009
A vulnerability in the implementation of the proprietary SSH stack with SSH key-based authentication in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to log in to a Cisco Secure Firewall ASA device and execute commands as a specific user.
This vulnerability is due to insufficient validation of user input during the SSH authentication phase. An attacker could exploit this vulnerability by submitting crafted input during SSH aut
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unknown","product":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software","vendor":"Cisco","versions":[{"status":"affected","version":"9.17.1"},{"status":"affected","version":"9.17.1.7"},{"status":"affected","version":"9.17.1.9"},{"status":"affected","version":"9.17.1.10"},{"status":"affected","version":"9.18.1"},{"status":"affected","version":"9.18.1.3"},{"status":"affected","version":"9.17.1.11"},{"status":"affected","version":"9.18.2"},{"status":"affected","version":"9.17.1.13"},{"status":"affected","version":"9.17.1.15"},{"status":"affected","version":"9.18.2.…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:a9bcaba32d277f63e98da5db001c03fcfca747ed85f059e0c9434f59295b43e0 · sha256:489d36ee85e1027d… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:a9bcaba32d277f63e98da5db001c03fcfca747ed85f059e0c9434f59295b43e0 · sha256:489d36ee85e1027d… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-138","description":"Improper Neutralization of Special Elements","lang":"en","type":"cwe"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:a9bcaba32d277f63e98da5db001c03fcfca747ed85f059e0c9434f59295b43e0 · sha256:489d36ee85e1027d… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"cisco-sa-asa-ssh-keybypass-cr5xPUSf","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ssh-keybypass-cr5xPUSf"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:a9bcaba32d277f63e98da5db001c03fcfca747ed85f059e0c9434f59295b43e0 · sha256:489d36ee85e1027d… · /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.