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

Exploited in the wild Medium 6.5 Published Updated

Low-privileged users can exploit improper input validation to access limited sensitive information on Citrix ADC and Gateway devices.

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-2020-8195?

CVE-2020-8195 is a medium-severity path traversal 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 input validation 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-22, CWE-20

Which versions are affected by CVE-2020-8195?

It affects 5 products.

Products include Citrix Application Delivery Controller Firmware, Citrix Gateway Firmware, Citrix Gateway Plug-in for Linux, Citrix Netscaler Gateway Firmware, Citrix Sd-Wan Wanop.

How do I fix CVE-2020-8195?

No fix has been published for CVE-2020-8195 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2020-8195 being exploited?

Yes. Attackers have exploited CVE-2020-8195 in the wild since at least 3 Nov 2021.

Sources

Also known as GHSA-jwjc-9cxc-87j8.

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