CVE-2022-27518 — Citrix Application Delivery Controller (ADC) and Gateway Authentication Bypass Vulnerability
Overview
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.
Vulnerability details
- CVE ID
- CVE-2022-27518
- Vulnerability
- Citrix Application Delivery Controller (ADC) and Gateway Authentication Bypass Vulnerability
- Vendor
- Citrix
- Affected products
- Citrix: Application Delivery Controller (ADC) and Gateway
- Severity
- HIGH
- Exploitation status
- Actively exploited in the wild (CISA KEV)
- Published
- 2022-12-13
Remediation guidance
CVE-2022-27518 is in CISA's Known Exploited Vulnerabilities (KEV) catalog — U.S. federal civilian agencies are required to remediate it under Binding Operational Directive 22-01. Treat it as a priority for every environment.
Apply the vendor's official security update for Citrix the affected product as soon as possible. Where a patch is unavailable, apply vendor mitigations or isolate/segment exposed systems.
Hunt for indicators of compromise tied to this vulnerability and confirm logging/EDR coverage on affected assets.
Authoritative references
Remediate CVE-2022-27518 — and stay ahead of the next one
CVE-2022-27518 is listed in the CISA KEV catalog as actively exploited — treat remediation as urgent. Scan your domain free to see whether CVE-2022-27518 and other Citrix issues affect you and get a prioritized remediation report (full report from ₹999) — or stream the full feed of 1,600+ actively-exploited CVEs straight into your SOC.
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