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CVE-2022-27518: Citrix Application Delivery Controller (ADC) and Gateway Authentication Bypass Vulnerability

criticalknown exploitedpublic exploitCVE-2022-27518
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Citrixproduct: Application Delivery Controller (ADC) and GatewayAuthentication bypass
What
An authentication bypass vulnerability allows an attacker to execute code as administrator when configured with SAML SP or IdP.
Who is affected
Deployments of Citrix ADC and Gateway with SAML configurations.
Urgency
Remediation is urgent as the vulnerability is critical and actively exploited.
Action
Apply the latest security updates from Citrix.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-12-13
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-27518

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2022-27518coverage & exploitation statusNVD · CVE.org

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