CVE-2022-27518

CRITICALNVD 9.89.8—Trending — 4 sources updated this weekExploited in the wild

9.8

Unauthenticated remote arbitrary code execution

CVSS v3: 9.8
EG Score: 9.8(high)
EPSS: 96.5%
KEV: ⚠ Exploited

Published

December 13, 2022

Last Modified

February 25, 2026

Advisory Details (2)

Auto-updated May 25, 2026

⚠️ Active exploitation confirmed. Patch available. Sources: cisa.

cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-27518

generic

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https://support.citrix.com/article/CTX474995

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-664

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-03 16:04 UTCEG score recompute
2026-06-03 16:04 UTCGHSA enrichment
2026-06-03 12:17 UTCEG score recompute
2026-06-03 12:17 UTCGHSA enrichment
2026-06-03 08:31 UTCEG score recompute
2026-06-03 08:31 UTCGHSA enrichment
2026-06-03 04:45 UTCEG score recompute
2026-06-03 04:45 UTCGHSA enrichment
2026-06-03 00:59 UTCEG score recompute
2026-06-03 00:58 UTCGHSA enrichment
2026-06-02 21:11 UTCEG score recompute
2026-06-02 21:11 UTCGHSA enrichment
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 18:32 UTCkev_newly_listed
2026-06-02 17:24 UTCEG score recompute
2026-06-02 17:24 UTCGHSA enrichment
2026-06-02 13:38 UTCEG score recompute
2026-06-02 13:38 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCdolby360/CVE-2022-27518_POC
First seen Jan 17, 2023
A POC on how to exploit CVE-2022-27518
Open source ↗

Frequently asked(6)

What is CVE-2022-27518?

CVE-2022-27518 is a critical vulnerability published on December 13, 2022. Unauthenticated remote arbitrary code execution

When was CVE-2022-27518 disclosed?

CVE-2022-27518 was first published in the National Vulnerability Database on December 13, 2022, with the most recent update on February 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-27518 actively exploited?

Yes. CISA added CVE-2022-27518 to the Known Exploited Vulnerabilities catalog on December 13, 2022, affecting Citrix Application Delivery Controller (ADC) and Gateway. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2022-27518?

CVE-2022-27518 has a CVSS v3 base score of 9.8 (NVD).

Which products are affected by CVE-2022-27518?

CVE-2022-27518 affects Citrix Application Delivery Controller (ADC) and Gateway. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2022-27518?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-27518, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-27518

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Is Your Infrastructure Affected by CVE-2022-27518?

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