Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.4 when installed on Cisco Secure Firewall 3100 Series

productUS

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

0
critical
by severity
0critical4high6medium0low
updated 2026-10-28
01

vulnerabilities (50)

Related CVEs.

IDseverity exploitable
CVE-2025-20362UShigh8.6OT criticalKEV
CVE-2025-20333US—OT criticalKEV
CVE-2026-20349US—OT criticalKEV
CVE-2025-20363US——
CVE-2025-20225US——
CVE-2025-20224US——
CVE-2024-20358USmedium6.7—
CVE-2025-20263US——
CVE-2025-20127US——
CVE-2025-20136US——
CVE-2025-20239US——
CVE-2025-20243US——
CVE-2024-20260US——
CVE-2026-20154UShigh8.6—
CVE-2025-20244US——
CVE-2025-20253US——
CVE-2025-20251US——
CVE-2026-20248USmedium6.8—
CVE-2025-20254US——
CVE-2025-20252US——
CVE-2026-20249UShigh8.6—
CVE-2026-20073US——
CVE-2026-20009US——
CVE-2025-20219US——
CVE-2026-20039US——
CVE-2026-20101US—OT elevated—
CVE-2026-20103US——
CVE-2026-20012US——
CVE-2026-20106US——
CVE-2026-20105US——
CVE-2026-20015US——
CVE-2026-20013US——
CVE-2026-20049US——
CVE-2026-20014US——
CVE-2026-20100US——
CVE-2026-20069US——
CVE-2026-20102US——
CVE-2026-20070US——
CVE-2026-20222UShigh7.4—
CVE-2026-20020USmedium5.7—
CVE-2026-20021US——
CVE-2025-20135US——
CVE-2026-20022USmedium6.5—
CVE-2026-20024USmedium5.7—
CVE-2026-20025US——
CVE-2025-20237US——
CVE-2026-20023USmedium6.5—
CVE-2025-20238US——
CVE-2026-20008US——
CVE-2026-20062US——
02

weaknesses (8)

The flaw types (CWEs) most of these CVEs share.

  • CWE-401Missing Release of Memory after Effective Lifetime14 CVEs
  • CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')4 CVEs
  • CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')2 CVEs
  • CWE-1287Improper Validation of Specified Type of Input2 CVEs
  • CWE-244Improper Clearing of Heap Memory Before Release ('Heap Inspection')2 CVEs
  • CWE-284Improper Access Control2 CVEs
  • CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')2 CVEs
  • CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer1 CVEs
03

sources (1)

Which sources assert this record, and when.

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