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CVE-2022-27518

Published: Dec 13, 2022Updated: Feb 25, 2026 Sources: CVE List NVD BDUCWE-664
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
6.9%
Top 6.7%
CISA KEV
Active Exploitation
Since Dec 13, 2022
Exploits
No Known Exploits
Remediation
Patch Available
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify

Description

Unauthenticated remote arbitrary code execution

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-664NVD-CWE-Other

Affected Products

Citrix Gateway, Citrix ADCCitrix
Mixed
Cloud & SaaS / virtualization
application delivery controller firmwarecitrix
SaaSFirmware
Cloud & SaaS
gateway firmwarecitrix
Mixed
Cloud & SaaS / virtualization
Citrix GatewayCitrix Systems Inc.
Mixed
Cloud & SaaS
Citrix ADCCitrix Systems Inc.
SaaSSaaS Service
Cloud & SaaS / api-gateway
citrixcommercialUSCloud & SaaSaka xenserver, netscaler gateway firmware, application delivery controller firmware
citrix systems inc.commercialUSCloud & SaaSaka citrix adc, netscaler gateway, citrix gateway

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Dec 13, 2022
Remediation due:Jan 3, 2023

Required action: Apply updates per vendor instructions.

Official Patch Available

References

https://support.citrix.com/article/CTX474995
support.citrix.com
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-27518
cisa.gov
https://support.citrix.com/article/CTX474995/citrix-adc-and-citrix-gateway-security-bulletin-for-cve202227518
support.citrix.com
and 1 more references View all →

Timeline

Published
Dec 13, 2022
Added to CISA KEV
Dec 13, 2022
Last Updated
Feb 25, 2026

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