CVE-2022-27518 Exploited in the Wild — Citrix Gateway, Citrix ADC

Vendor	Product	Version	Status
Citrix	Citrix Gateway, Citrix ADC	12.1	Affected
Citrix	Citrix Gateway, Citrix ADC	13.0	Affected
Citrix	Citrix Gateway, Citrix ADC	12.1 FIPs, NDcPP	Affected

Known Exploited Vulnerability Sources

Catalogues that list this CVE as a known exploited vulnerability.

Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.

Source	Added
CISA First	2022-12-13 00:00 UTC

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Virtual Patch

Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.

Not available

KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.

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CVSS Scores

CVSS v3.1 9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation Status

Exploited in the wild

Recorded 2022-12-13 00:00:00 UTC · CISA

Proof of concept available

Recorded 2023-01-17 19:40:04 UTC · GitHub

Weaknesses (CWE)

CWE-664

Improper Control of a Resource Through its Lifetime

Scanner Integrations

Scanner	Reference	Detected
Nessus	https://www.tenable.com/plugins/nessus/168654	Jun 02, 2025

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

dolby360/CVE-2022-27518_POC

github · Created 2023-01-17 19:40:04 UTC · 2 stars

A POC on how to exploit CVE-2022-27518

Timeline

Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.

2 Jun 2025 09:27 UTC about 1 year ago

2 Jun 2025 09:27 UTC · about 1 year ago

Nessus plugin available

Scanner coverage available
17 Jan 2023 19:40 UTC over 3 years ago

17 Jan 2023 19:40 UTC · over 3 years ago

Public PoC available

Public proof-of-concept code published
13 Dec 2022 00:00 UTC over 3 years ago

13 Dec 2022 00:00 UTC · over 3 years ago

Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
13 Dec 2022 00:00 UTC over 3 years ago

13 Dec 2022 00:00 UTC · over 3 years ago

CVE published

Vulnerability disclosed publicly
21 Mar 2022 00:00 UTC over 4 years ago

21 Mar 2022 00:00 UTC · over 4 years ago

CVE ID reserved

Identifier reserved by the CNA

Automate This Intelligence with the Pro API

Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Pro API Example

GET /api/v2/pro/kevs/CVE-2022-27518

{
  "cve_id": "CVE-2022-27518",
  "title": "Unauthenticated remote arbitrary code execution",
  "affected_vendor": "Citrix",
  "affected_product": "Citrix Gateway, Citrix ADC",
  "affected_versions": [
    { "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
  ],
  "confidence": "Confirmed",
  "cvss_score": 9.8,
  "epss_score": null,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "...": "Pro API fields" },
  "proof_of_concepts": [ "..." ],
  "scanner_integrations": [ "..." ]
}

The free JSON API returns basic KEV fields only. Confidence, telemetry, and artifact enrichment require Pro API access.

CVE-2022-27518

At a Glance

Affected Versions

CVE References

Recommended Actions