CVE-2022-27518
Actively exploited. CVE-2022-27518 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-12-13) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2022-27518 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
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
- 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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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 93% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2022-27518 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2022-27518: Citrix Application Delivery Controller (ADC) and Gateway Authentication Bypass Vulnerabilitycisa-kev · 2022-12-13
External references
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[](https://www.csirts.com/cve/CVE-2022-27518)