CVE-2021-22955

ALTO 7.5CVE-2021-22955 · Published 07/12/2021 · updated 17/06/2026

In breve

CVE-2021-22955 è una vulnerabilità ALTO (CVSS 7.5) che riguarda gateway (citrix).
Probabilità di sfruttamento nei prossimi 30 giorni (EPSS): 0.92%, superiore al 60.3% delle vulnerabilità.
Correzione: aggiornare a 12.1-63.22, 13.0-83.27, 11.1-65.23 o successiva.

Package	Affected versions	Patched versions
gateway citrix	`≥ 12.1, < 12.1-63.22≥ 13.0, < 13.0-83.27< 11.1-65.23`	`12.1-63.2213.0-83.2711.1-65.23`

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.

References

support.citrix.com/article/CTX330728 · Vendor Advisory

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