CVE-2020-8193 · Severity: critical · CVSS 6.5 · Exploited in the wild · Published 2021-11-03
Citrix ADC, Gateway, and SD-WAN WANOP appliances contain an authorization bypass vulnerability due to improper access control. An unauthenticated attacker with access to the NetScaler IP (NSIP) can gain unauthorized access to certain URL endpoints.
Yes. CVE-2020-8193 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2020-8193?
Critical severity, with a CVSS score of 6.5, published 3 November 2021.
Which products and versions are affected?
Citrix ADC before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14, 10.5-70.18; Citrix Gateway before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14, 10.5-70.18; Citrix SD-WAN WANOP before 11.1.1a, 11.0.3d, 10.2.7.
Is there a fix for CVE-2020-8193?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2020-8193 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2020-8193?
Check whether you run Citrix Application Delivery Controller (ADC), Citrix Gateway or Citrix Sd-Wan Wanop Appliance. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Citrix ADC before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14, 10.5-70.18
Citrix Gateway before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14, 10.5-70.18
Citrix SD-WAN WANOP before 11.1.1a, 11.0.3d, 10.2.7
Timeline
2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog