CVE Explorer
CVE-2026-20082
A vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause incoming TCP SYN packets to be dropped incorrectly.
This vulnerability is due to improper handling of new, incoming TCP connections that are destined to management or data interfaces when the device is under a TCP SYN flood attack. An attacker could exploit this vulnerability by sending a crafted stream
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"Cisco Secure Firewall Adaptive Security Appliance (ASA) Software","vendor":"Cisco","versions":[{"status":"affected","version":"9.20.4.14"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:a44f150296ad0af86fe4bddfa30dfceeac944fd47a4f2fccb68f3b3bb054a521 · sha256:e660d06fd64d5e3a… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.6,"baseSeverity":"HIGH","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:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:a44f150296ad0af86fe4bddfa30dfceeac944fd47a4f2fccb68f3b3bb054a521 · sha256:e660d06fd64d5e3a… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-772","description":"Missing Release of Resource after Effective Lifetime","lang":"en","type":"cwe"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:a44f150296ad0af86fe4bddfa30dfceeac944fd47a4f2fccb68f3b3bb054a521 · sha256:e660d06fd64d5e3a… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"cisco-sa-asa-dos-FCvLD6vR","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-dos-FCvLD6vR"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:a44f150296ad0af86fe4bddfa30dfceeac944fd47a4f2fccb68f3b3bb054a521 · sha256:e660d06fd64d5e3a… · /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.