CVE-2020-8195 Citrix ADC, Gateway, and SD-WAN WANOP Appliance Information Disclosure
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.
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.
Other vulnerabilities in Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OP
- CVE-2022-27518 Citrix Application Delivery Controller (ADC) and Gateway Authentication Bypass
- CVE-2019-19781 Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution
- CVE-2020-8193 Citrix ADC, Gateway, and SD-WAN WANOP Appliance Authorization Bypass
- CVE-2020-8196 Citrix ADC, Gateway, and SD-WAN WANOP Appliance Information Disclosure
- CVE-2022-27510 Unauthorized access to Gateway user capabilities
Sources
Also known as GHSA-jwjc-9cxc-87j8.