CVE-2020-8195: Citrix ADC, Gateway, and SD-WAN WANOP Appliance Information Disclosure Vulnerability

CVE-2020-8195 · Severity: critical · CVSS 6.5 · Exploited in the wild · Published 2021-11-03

Improper input validation in Citrix ADC, Gateway, and SD-WAN WANOP appliances allows low-privileged users to perform unauthorized information disclosure. The vulnerability is rooted in improper limitation of a pathname to a restricted directory (path traversal).

Technologies: Citrix Application Delivery Controller (ADC), Citrix Gateway, Citrix Sd-Wan Wanop Appliance. Vendors: Citrix.

Quick answers

Is CVE-2020-8195 exploited in the wild?
Yes. CVE-2020-8195 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2020-8195?
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-2020-8195?
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-2020-8195 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2020-8195?
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
  • 2021-11-03: disclosed
  • 2020-07-07: advisory: Original Citrix security advisory CTX276688 published

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