Citrix

CVE-2022-27510: Unauthorized access to Gateway user capabilities

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of 29 Oct 2026.

VulnCheck KEV lists it since 13 Jan 2023. It cites 4 public reports, the first from 13 Jan 2023.

How likely is exploitation in the next 30 days?

1.1%

EPSS score, percentile 66.1 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?

9.8 Critical

CVSS v3.1 base score, given by the CNA

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

unspecified

Versions by product

Source: CISA KEV 2026.10.29, as of 29 Oct 2026; VulnCheck KEV, as of 30 Oct 2026; FIRST EPSS, as of 29 Oct 2026; CVE List, as of 30 Oct 2026. About the data.

Description

Unauthorized access to Gateway user capabilities

Unauthorized access to Gateway user capabilities

Source: CVE List, as of 30 Oct 2026. About the data.

What to do

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

This summary is based on the CVE record as of 30 Oct 2026. Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Versions by product, as listed in the CVE record (1 product)

Citrix Citrix Gateway, Citrix ADC
Status	Versions
Affected	unspecified

Versions not listed are: unaffected.

Source: CVE List, as of 30 Oct 2026. About the data.

Weakness

CWE-288, 1 CAPEC

CWE-288: Authentication Bypass Using an Alternate Path or Channel

Attack patterns (CAPEC)

CAPEC-115: Authentication Bypass

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.

Timeline

Date	Event
8 Nov 2022	CVE record published
1 May 2025	CVE record last updated

References

https://support.citrix.com/article/CTX463706/citrix-gateway-and-citrix-adc-security-bulletin-for-cve202227510-cve202227513-and-cve202227516

Known exploited Citrix vulnerabilities

CVE-2026-88779: Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (added 4 Oct 2026)
CVE-2026-88771: Citrix NetScaler Improper Input Validation Vulnerability (added 27 Sep 2026)
CVE-2026-88772: Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (added 27 Sep 2026)
CVE-2026-19490: Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel Vulnerability (added 9 Sep 2026)
CVE-2026-8452: Citrix NetScaler ADC and NetScaler Gateway Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (added 26 Aug 2026)