CVE-2021-22919
moderate-risk
Published 2021-08-05
A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as NetScaler Gateway), and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilities, if exploited, could lead to the limited available disk space on the appliances being fully consumed.
Do I need to act?
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0.51% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (4)
Affected Vendors
References (2)
Vendor Advisory
https://support.citrix.com/article/CTX319135
Vendor Advisory
https://support.citrix.com/article/CTX319135
38
/ 100
moderate-risk
Severity
26/34 · High
Exploitability
2/34 · Minimal
Exposure
10/34 · Low