What is CVE-2022-27518?

CVE-2022-27518 is a critical-severity vulnerability in Citrix Gateway, Adc, classified under CWE-664. CVSS score: 9.8/10. Published 2022-12-13.

How severe is CVE-2022-27518?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-27518 known to be exploited?

Yes. CVE-2022-27518 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-12-13), indicating it is being actively exploited. 17 public proof-of-concept repositories are indexed.

Vulnerability in Citrix Gateway, Adc

CVE-2022-27518

Unauthenticated remote arbitrary code execution

EPSS: 0.277 (96.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Citrix Gateway, Adc — versions 12.1, 13.0, 12.1 FIPs, NDcPP

Weakness classification (CWE)

CWE-664

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-12-13. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2023-01-03.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

https://support.citrix.com/article/CTX474995

Frequently asked questions

What is CVE-2022-27518?: CVE-2022-27518 is a critical-severity vulnerability in Citrix Gateway, Adc, classified under CWE-664. CVSS score: 9.8/10. Published 2022-12-13.
How severe is CVE-2022-27518?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-27518 known to be exploited?: Yes. CVE-2022-27518 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-12-13), indicating it is being actively exploited. 17 public proof-of-concept repositories are indexed.