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Back to active CVEs
Critical · CVSS 9.8Known ExploitedCVE-2022-27518

Unauthenticated remote arbitrary code executionCVE-2022-27518

Answer in brief

CVE-2022-27518 records a Critical severity (CVSS 9.8) vulnerability in Unauthenticated remote arbitrary code execution. The current sources mark it as known exploited. The current feed maps Citrix/Citrix Gateway, Citrix ADC (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Dec 13, 2022Updated Oct 21, 2025Source checked Nov 3, 2026First seen by HOL May 24, 2026Material review Oct 21, 2025
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.8
Exploitation
Known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 9.8. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Citrix/Citrix Gateway, Citrix ADC (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Citrix/Citrix Gateway, Citrix ADCgeneric12.1 || 13.0 || 12.1 FIPs NDcPPNot reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Citrix/Citrix Gateway, Citrix ADC.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Dec 13, 2022

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 21, 2025

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    May 24, 2026

  4. Added to CISA KEV

    Dec 13, 2022

    Evidence: source:kev:kev:kev:record

Sources and claim methodology

  • Source referencesupport.citrix.com
  • CISA Known Exploited Vulnerabilities catalogcisa.gov
Upstream source description

Unauthenticated remote arbitrary code execution

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
RCE
EPSS
Not reported
CWE IDs
CWE-664
Source
CVE List V5
Source checked
Nov 3, 2026
References
2 linked sources
Open source record