CVE-2021-22955 - AskarLabs CVE Database

CVE-2021-22955

Vendor N/A

Product Citrix ADC, Citrix Gateway

Weakness CWE-400

Published December 7, 2021

Last update August 3, 2024

View on NVD All CVEs

CVSS base score

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What the vulnerability does

01Description

A 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 AAA virtual server could allow an attacker to cause a temporary disruption of the Management GUI, Nitro API, and RPC communication.

Key dates

02Disclosure timeline

December 7, 2021 CVE published

August 3, 2024 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2021-22955 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/400.html

Related vulnerabilities

04Related CVE

CVE-2025-21174 Windows Standards-Based Storage Management Service Denial of Service Vulnerability CVE-2025-68272 Signal K Server Vulnerable to Denial of Service via Unrestricted Access Request Flooding CVE-2024-12063 Denial of Service in imartinez/privategpt CVE-2026-20188 Cisco Crosswork Network Controller and Cisco Network Services Orchestrator Advisory CVE-2016-10540