Technical Severity
MEDIUM
CVSS v3.1 Metrics
6.5
/ 10
Minimal Risk
Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Exploitation Likelihood
EPSS Prediction
94.18
%
Predictive Probability
Percentile Rank
99.9
th
Documented as more likely to be exploited than 99.9% of known CVEs.
Detection Date
Nov 03, 2021
Remediation Due
May 03, 2022
CISA Catalog Active
Threat Analysis
Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an authorization bypass vulnerability that may allow unauthenticated access to certain URL endpoints. The attacker must have access to the NetScaler IP (NSIP) in order to perform exploitation.
Remediation Directive
Apply updates per vendor instructions.