CVE-2020-8196
Published: November 3, 2021
Official Description
Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an information disclosure vulnerability.
CISA KEV Advisory
Citrix ADC, Gateway, and SD-WAN WANOP Appliance Information Disclosure Vulnerability
Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an information disclosure vulnerability.
Apply updates per vendor instructions.
Risk Analysis
This information disclosure vulnerability affects Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models. It allows attackers to gain access to sensitive information, posing a risk to data confidentiality. The high EPSS score of 0.66204 and its inclusion in CISA's KEV confirm active exploitation.
Active exploitation of this vulnerability has been observed in the wild. The flaw allows remote attackers to access sensitive information.
Apply all available security updates and patches for Citrix ADC, Citrix Gateway, and Citrix SD-WAN WANOP appliances. Review and restrict network access to these devices to minimize exposure.
Technical Analysis
CVE-2020-8196 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2020-8196 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-8196 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1