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CVE-2021-22956

Published: Dec 7, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-400
7.5HIGH
NVD MITRE
EPSS Score
0.9%
Top 45.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

An 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 access to NSIP or SNIP with management interface access to cause a temporary disruption of the Management GUI, Nitro API, and RPC communication.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-400

Affected Products

citrix
commercial·USaka xenserver, netscaler gateway firmware, application delivery controller firmware
application delivery controller firmwareSaaSFirmware
Cloud & SaaS
gatewaySaaSSaaS Service
Cloud & SaaS / saas-application
sd-wanOn-premNetwork Device
Networking Infrastructure / router-switch
Citrix Systems Inc.
commercial·USaka citrix adc, citrix gateway, netscaler gateway
Citrix ADCSaaSSaaS Service
Cloud & SaaS / api-gateway
Citrix GatewayOn-premNetwork Device
Networking Infrastructure
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2021-22956?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://support.citrix.com/article/CTX330728
support.citrix.com

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