Unauthenticated Remote Arbitrary Code Execution (CVE-2022-27518)
CVE-2022-27518 Published on December 13, 2022
Unauthenticated remote arbitrary code execution
Unauthenticated remote arbitrary code execution
Known Exploited Vulnerability
This Citrix Application Delivery Controller (ADC) and Gateway Authentication Bypass Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Citrix Application Delivery Controller (ADC) and Gateway, when configured with SAML SP or IdP configuration, contain an authentication bypass vulnerability which allows an attacker to execute code as administrator.
The following remediation steps are recommended / required by January 3, 2023: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2022-27518 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
Improper Control of a Resource Through its Lifetime
The software does not maintain or incorrectly maintains control over a resource throughout its lifetime of creation, use, and release.
Products Associated with CVE-2022-27518
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Affected Versions
Citrix Gateway, Citrix ADC:- Version 12.1 is affected.
- Version 13.0 is affected.
- Version 12.1 FIPs, NDcPP is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.