Is CVE-2020-8193 actively exploited?

Yes. CVE-2020-8193 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2020-8193 be exploited remotely?

The attack vector of CVE-2020-8193 has not been classified yet.

What is the CVSS score of CVE-2020-8193?

CVE-2020-8193 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2020-8193

HIGHCISA KEVIN THE WILD

CVE-2020-8193

Published: November 3, 2021

EPSS:94.18%probability of exploitation in 30 daysPercentile:99.9th

Official Description

Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an authorization bypass vulnerability that may allow unauthenticated access to certain URL endpoints. The attacker must have access to the NetScaler IP (NSIP) in order to perform exploitation.

NVD Source

CISA KEV Advisory

Citrix ADC, Gateway, and SD-WAN WANOP Appliance Authorization Bypass Vulnerability

Added to KEV: 2021-11-03Federal patch deadline: 2022-05-03

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

This authorization bypass vulnerability in Citrix ADC, Citrix Gateway, and certain Citrix SD-WAN WANOP appliance models allows unauthenticated access to specific URL endpoints. The high EPSS score of 0.94177 indicates a very high probability of exploitation, making this a critical issue. CISA has confirmed this vulnerability is actively exploited.

This vulnerability is actively exploited in the wild and is included in CISA's KEV catalog. Exploitation requires an attacker to have access to the NetScaler IP (NSIP).

Recommended Action

Apply all available patches and updates for affected Citrix products. Ensure that access to the NetScaler IP (NSIP) is strictly controlled and limited to authorized personnel and networks.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2020-8193 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-2020-8193 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.