CVE-2022-27518Known exploitationNetwork attack vector

Unauthenticated remote arbitrary code execution

Published Dec 13, 2022 · Updated Oct 21, 2025

Code execution in Citrix ADC/Gateway 12.1 before 12.1-65.25 or 13.0 before 13.0-58.32 allows remote attackers to execute code. Citrix identifies improper control of a resource through its lifetime but has not disclosed the affected SAML-processing locus or its wrong operation on untrusted input. Only customer-managed appliances configured as a SAML service provider or identity provider are exposed, and exploitation executes code on the appliance.

CVSS severity9.8
Critical
EPSS probability6.88%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Code execution in Citrix ADC/Gateway 12.1 before 12.1-65.25 or 13.0 before 13.0-58.32 allows remote attackers to execute code. Citrix identifies improper control of a resource through its lifetime but has not disclosed the affected SAML-processing locus or its wrong operation on untrusted input. Only customer-managed appliances configured as a SAML service provider or identity provider are exposed, and exploitation executes code on the appliance.

The record

CVE
CVE-2022-27518
Published
Dec 13, 2022
Updated
Oct 21, 2025
Vendor
Citrix
Product
Citrix ADC/Gateway
Classifications
CWE-664, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 13, 2022CVE publishedPublication date reported by the CVE source.
  2. Oct 21, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=12.1
  2. Affected versionversion=12.1 FIPs, NDcPP
  3. Affected versionversion=13.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Citrix · Citrix ADC/Gatewayversion=12.1; version=12.1 FIPs, NDcPP; version=13.0

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationReported
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-664Improper Control of a Resource Through its Lifetime
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Reported exploitation

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo