CVEvulnerability

CVE-2021-22955

7.5 HIGH Published 2021-12-07 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-12-07
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
Weaknesses
CWE-400

Description

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.

Affected configurations

• citrix application delivery controller firmware (<= 11.1-65.23) • citrix application delivery controller firmware (>= 12.1 < 12.1-63.22) • citrix application delivery controller firmware (>= 13.0 < 13.0-83.27) • citrix gateway (< 11.1-65.23) • citrix gateway (>= 12.1 < 12.1-63.22) • citrix gateway (>= 13.0 < 13.0-83.27)

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References