CISA KEV · Known exploitedCritical

CVE-2022-27518

Citrix Application Delivery Controller (ADC) and Gateway

CVE-2022-27518 affects Citrix Application Delivery Controller (ADC) and Gateway. Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

CVSS: 9.8
EPSS: 6.88%
CISA KEV: Listed
Published: 2022.12.14

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability6.88%

Technical severityCVSS 9.8

Vulnerability overview

Affected product and versions

Product: Citrix Application Delivery Controller (ADC) and Gateway
Affected versions: 12.1, 13.0, 12.1 FIPs, NDcPP, >= 12.1 < 12.1-55.291, >= 12.1 < 12.1-65.25, >= 13.0 < 13.0-58.32
Fixed versions: 12.1-55.291, 12.1-65.25, 13.0-58.32

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

Apply updates per vendor instructions.

Due date: 2023.01.03

1
Identify
Confirm that Citrix Application Delivery Controller (ADC) and Gateway and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-664
KEV added: 2022.12.13
Ransomware use: 미확인