Riskcovery

CVE-2026-20101

State
Published
Severity
8.6 High
Published
Mar 4, 2026
Updated
Mar 5, 2026
Reserved
Oct 8, 2025

Read the record on cve.org

Description

A vulnerability in the SAML 2.0 single sign-on (SSO) feature of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a DoS condition. This vulnerability is due to insufficient error checking when processing SAML messages. An attacker could exploit this vulnerability by sending crafted SAML messages to the SAML service. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Scores

CVSSScoreVectorSource
3.18.6 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:Hcisco

Weaknesses

  • CWE-330 Use of Insufficiently Random Values

Affected Products

ProductVersions
Cisco Secure Firewall Adaptive Security Appliance (ASA) SoftwareCisco
  • 9.12.1Affected
  • 9.12.1.2Affected
  • 9.12.1.3Affected
  • 9.12.2Affected
  • 9.12.2.4Affected
  • 9.12.2.5Affected
  • 9.12.2.9Affected
  • 9.12.3Affected
  • 9.12.3.2Affected
  • 9.12.3.7Affected
  • 9.12.4Affected
  • 9.12.3.12Affected
  • 9.12.3.9Affected
  • 9.12.2.1Affected
  • 9.12.4.2Affected
  • 9.12.4.4Affected
  • 9.12.4.7Affected
  • 9.12.4.10Affected
  • 9.12.4.13Affected
  • 9.12.4.8Affected
  • 9.12.4.18Affected
  • 9.12.4.24Affected
  • 9.12.4.26Affected
  • 9.12.4.29Affected
  • 9.12.4.30Affected
  • and 122 more versions
Cisco Secure Firewall Threat Defense (FTD) SoftwareCisco
  • 6.4.0Affected
  • 6.4.0.1Affected
  • 6.4.0.3Affected
  • 6.4.0.2Affected
  • 6.4.0.4Affected
  • 6.4.0.5Affected
  • 6.4.0.6Affected
  • 6.4.0.7Affected
  • 6.4.0.8Affected
  • 6.4.0.9Affected
  • 6.4.0.10Affected
  • 6.4.0.11Affected
  • 6.4.0.12Affected
  • 6.4.0.13Affected
  • 6.4.0.14Affected
  • 6.4.0.15Affected
  • 6.4.0.16Affected
  • 6.4.0.17Affected
  • 6.4.0.18Affected
  • 7.0.0Affected
  • 7.0.0.1Affected
  • 7.0.1Affected
  • 7.0.1.1Affected
  • 7.0.2Affected
  • 7.0.2.1Affected
  • and 50 more versions

References

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