Is CVE-2022-27518 in the CISA KEV catalog?

Yes. CVE-2022-27518 is on the CISA Known Exploited Vulnerabilities list, added 2022-12-13.

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

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

What is the EPSS score for CVE-2022-27518?

CVE-2022-27518 has an EPSS score of 6.93% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-27518?

Upgrade application delivery controller firmware to 12.1-55.291 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2022-27518

CRITICALCISA KEVEPSS 93th pctl

9.8

CVSS v3

NVD

Description

Unauthenticated remote arbitrary code execution

CWE-664

How to fix

Remediation Available

application delivery controller firmwareNVD

Affected:>= 12.1, < 12.1-55.291Fixed in:12.1-55.291CVE-2022-27518derived from NVD

Affected:>= 13.0, < 13.0-58.32Fixed in:13.0-58.32CVE-2022-27518derived from NVD

gateway firmwareNVD

Affected:>= 13.0, < 13.0-58.32Fixed in:13.0-58.32CVE-2022-27518derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

6.93%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Citrix Application Delivery Controller (ADC) and Gateway Authentication Bypass Vulnerability

Citrix Application Delivery Controller (ADC) and Gateway, when configured with SAML SP or IdP configuration, contain an authentication bypass vulnerability that allows an attacker to execute code as administrator.

Apply updates per vendor instructions.

Remediation due: 2023-01-03

References

Vendor Advisory1

support.citrix.com

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-664 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-2048	High	7.5	2.3%	-	Fix
CVE-2022-2191	High	7.5	2.0%	-	-
CVE-2019-5816	High	8.8	1.6%	-	Fix
CVE-2020-3175	High	8.6	1.6%	-	-
CVE-2024-45383	Medium	5.0	1.5%	-	-
CVE-2019-16779	Medium	5.8	1.4%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-02-25.