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[ CVE-2022-27518 · Published 13 Dec 2022 ]

Citrix Application Delivery Controller (ADC) and Gateway Authentication Bypass Vulnerability

Exploited · CISA KEV CVSS 9.8 EPSS 7%No fix listed yet

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-12-13
  • Critical severity: CVSS 9.8

[ Description ]Official description

Unauthenticated remote arbitrary code execution

CISA: Citrix Application Delivery Controller (ADC) and Gateway, when configured with SAML SP or IdP configuration, contain an authentication bypass vulnerability that allows an attacker to execute code as administrator.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 3 Jan 2023): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References