CVE-2022-27518
KEVCitrix Application Delivery Controller (ADC) and Gateway Authentication Bypass Vulnerability
Description
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.
Unauthenticated remote arbitrary code execution
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HPublishedDec 13, 2022
Last modifiedJun 17, 2026
Added to KEVDec 13, 2022
Remediation dueJan 3, 2023
References
- support.citrix.com/article/CTX474995Vendor Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-27518US Government Resource
0 recent articles mention this CVE
80
Risk assessment · Critical
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1393 days
- CVSS
- 9.8 CRITICAL
- EPSS (30-day exploit probability)
- 6.9% · top 6% of all CVEs
- Weakness
- CWE-664
- Attack vector
- Network, remotely reachable
- Preconditions
- No privileges and no user interaction
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.