CVE-2020-8196 Citrix ADC, Gateway, and SD-WAN WANOP Appliance Information Disclosure

Exploited in the wild Medium 4.3 Published 10 Jul 2020 Updated 21 Oct 2025

Low-privileged users can access limited sensitive information due to improper access controls in Citrix ADC and Gateway products.

Exploited in the wild: Since 3 Nov 2021
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-8196?

CVE-2020-8196 is a medium-severity missing authorization vulnerability in Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OP, published on 10 Jul 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper access control in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 resulting in limited information disclosure to low privileged users.

Weakness: CWE-287, CWE-284

Which versions are affected by CVE-2020-8196?

It affects 4 products.

Products include Citrix Application Delivery Controller Firmware, Citrix Gateway Firmware, Citrix Netscaler Gateway Firmware, Citrix Sd-Wan Wanop.

How do I fix CVE-2020-8196?

No fix has been published for CVE-2020-8196 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-8196 being exploited?

Yes. Attackers have exploited CVE-2020-8196 in the wild since at least 3 Nov 2021.

Sources

Also known as GHSA-gc2g-58xq-cq5h.