KEV Entry

CVE-2026-20349

Known Exploited Vulnerability Entry KEVIntel

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Entry Details
Confirmed Exploited

CVE-2026-20349

2026-08-11 18:59 UTC

Timestamps

2026-08-11

2026-08-11

Scope

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability | Affected: Cisco / Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco Secure Firewall Threat Defense (FTD) Software | CVSS: 8.6 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2026-20349', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-20349'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/CVE-2026-20349'}

142b2faa-258e-4b3b-b7c2-8a059c50b1b8

KEVIntel
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-08-11 20:00 UTC

2026-08-11 20:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2026-08-11T18:59:43.686Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 8.6,
  "cvss_severity": "HIGH",
  "epss_percentile": null,
  "epss_score": null,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco Secure Firewall Threat Defense (FTD) Software",
  "title": "Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability",
  "used_in_malware": "unknown",
  "vendor": "Cisco"
}
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