Is CVE-2022-27516 in the CISA KEV catalog?

No. CVE-2022-27516 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-27516?

CVE-2022-27516 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2022-27516?

CVE-2022-27516 has an EPSS score of 0.60% (44th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-27516?

Upgrade application delivery controller firmware to 12.1-55.289 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2022-27516

MEDIUM

5.3

CVSS v3

NVD

Description

User login brute force protection functionality bypass

CWE-693Protection Mechanism Failure CWE-307

How to fix

Remediation Available

application delivery controller firmwareNVD

Affected:>= 12.1, < 12.1-55.289Fixed in:12.1-55.289CVE-2022-27516derived from NVD

Affected:>= 13.1, < 13.1-33.47Fixed in:13.1-33.47CVE-2022-27516derived from NVD

gatewayNVD

Affected:>= 13.1, < 13.1-33.47Fixed in:13.1-33.47CVE-2022-27516derived from NVD

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

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.60%probability of exploitation in 30 days

44thpercentile

Moderate risk: more likely to be exploited than 44% of all known CVEs.

References

Vendor Advisory1

support.citrix.com

Related Vulnerabilities

Other CWE-693 (Protection Mechanism Failure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2013-2465	Critical	9.8	99%	KEV + Ransom	-
CVE-2024-21412	High	8.1	95%	KEV + Ransom	Fix
CVE-2013-0431	Medium	5.3	90%	KEV + Ransom	-
CVE-2025-40536	High	8.1	82%	KEV	Fix
CVE-2019-1003030	Critical	9.9	76%	KEV	-
CVE-2025-0411	High	7.0	67%	KEV	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 2024-11-21.