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Vulnerability record · CVE-2022-27508 · published 26 January 2023
CVE-2022-27508: Citrix application delivery controller uncontrolled resource consumption vulnerability
Citrix · Application Delivery Controller
Unauthenticated denial of service
7.5 CVSS 3.1 High EPSS 1.0% · top 37.9% CWE-400 · Uncontrolled resource consumption
7.5CVSS 3.1 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD
Description
Unauthenticated denial of service
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| https://support.citrix.com/article/CTX457048/citrix-adc-and-citrix-gateway-security-bulletin-for-cve202227507-and-cve202 | MitigationVendor Advisory |
| https://support.citrix.com/article/CTX457048/citrix-adc-and-citrix-gateway-security-bulletin-for-cve202227507-and-cve202 | MitigationVendor Advisory |
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Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
9.8CVE-2022-27510Citrix gateway authentication bypass via alternate path vulnerabilityUnauthorized access to Gateway user capabilitiesEPSS 1.1%9.8CVE-2022-27516Citrix gateway improper restriction of authentication attempts vulnerabilityUser login brute force protection functionality bypassEPSS 0.64%9.6CVE-2022-27513Citrix gateway insufficient verification of data authenticity vulnerabilityRemote desktop takeover via phishingEPSS 0.29%8.8CVE-2020-8247Citrix application delivery controller firmware improper privilege management vulnerabilityCitrix ADC and Citrix Gateway 13.0 before 13.0-64.35, Citrix ADC and NetScaler Gateway 12.1 before 12.1-58.15, Citrix ADC 12.1-FIPS before 12.1-55.18…EPSS 1.4%8.1CVE-2021-22927Citrix application delivery controller firmware vulnerabilityA session fixation vulnerability exists in Citrix ADC and Citrix Gateway 13.0-82.45 when configured SAML service provider that could allow an attacke…EPSS 0.84%7.5CVE-2023-24487Citrix application delivery controller vulnerabilityArbitrary file read in Citrix ADC and Citrix Gateway EPSS 1.1%7.5CVE-2021-22955Citrix application delivery controller firmware uncontrolled resource consumption vulnerabilityA unauthenticated denial of service vulnerability exists in Citrix ADC <13.0-83.27, <12.1-63.22 and 11.1-65.23 when configured as a VPN (Gateway) or …EPSS 0.89%7.5CVE-2021-22956Citrix application delivery controller firmware uncontrolled resource consumption vulnerabilityAn uncontrolled resource consumption vulnerability exists in Citrix ADC <13.0-83.27, <12.1-63.22 and 11.1-65.23 that could allow an attacker with acc…EPSS 0.89%
Source: NIST National Vulnerability Database (record CVE-2022-27508), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.
