CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.

Remediation Deadline: May 3, 2022

CVE-2020-8193

High

CVSS 6.5EPSS 94.3%CISA KEVPoC Available

Citrix/Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance

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.

CVSS Score

6.5/ 10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS — Exploit Probability

94.3%

Higher than 99.9% of all CVEs

Weakness Classification (CWE)

CWE-284CWE-284MITRE

Known Exploits

POC

http://packetstormsecurity.com/files/160047/Citrix-ADC-NetScaler-Local-File-Inclusion.htmlExploit http://packetstormsecurity.com/files/160047/Citrix-ADC-NetScaler-Local-File-Inclusion.htmlExploit

Required Action

https://nvd.nist.gov/vuln/detail/CVE-2020-8193

Risk Assessment

CRITICAL

In CISA KEV

Known exploit

High EPSS

Details

Severity: High
CVSS: 6.5
EPSS: 94.3%
CWE: CWE-284
Exploit: POC
CISA KEV: Yes
Ransomware: Unknown
Articles: 0

Timeline

Published

Nov 3, 2021

Added to KEV

Nov 3, 2021

Remediation Due

May 3, 2022

Affected Product

Citrix

Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance

View all Citrix CVEs

External Links

NVD (NIST)CVE Details MITRE CVE