CVE-2020-8194 Code injection in Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OP

Medium 6.5 Published 10 Jul 2020 Updated 4 Aug 2024

Attackers can inject code to modify file downloads in Citrix ADC, Gateway, and SDWAN WAN-OP devices, potentially leading to remote code execution.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2020-8194?

CVE-2020-8194 is a medium-severity code injection vulnerability in Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OP, published on 10 Jul 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Reflected code injection 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 allows the modification of a file download.

Weakness: CWE-94

Which versions are affected by CVE-2020-8194?

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-2020-8194?

No fix has been published for CVE-2020-8194 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2020-8194 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-8194 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-v424-6v58-95q3.