Vulnerability Intelligence Report
CVE-2021-22920
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 a phishing attack through a SAML authentication hijack to steal a valid user session.
No Active Exploit Signals
CVSS Base Score
6.5
MEDIUM
EPSS Probability:0.92%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-284 ↗Improper Access Control - Generic (CWE-284)
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| citrix | application_delivery_management | 12.1-62.25, 13.0-82.42 |
| citrix | gateway | 12.1-62.25, 13.0-82.42 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.918%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | HackerOne · Bug Bounty Provider · USA |
| Reserved | 2021-01-06T00:00:00 |
| Published | 2021-08-05T20:16:49 |
| Last Updated | 2024-08-03T18:58:25 |
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