Is CVE-2019-12991 actively exploited?

Yes. CVE-2019-12991 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2019-12991 be exploited remotely?

The attack vector of CVE-2019-12991 has not been classified yet.

What is the CVSS score of CVE-2019-12991?

CVE-2019-12991 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2019-12991

HIGHCISA KEVIN THE WILD

CVE-2019-12991

Published: March 25, 2022

EPSS:80.99%probability of exploitation in 30 daysPercentile:99.1th

Official Description

Authenticated Command Injection in Citrix SD-WAN Appliance and NetScaler SD-WAN Appliance.

NVD Source

CISA KEV Advisory

Citrix SD-WAN and NetScaler Command Injection Vulnerability

Authenticated Command Injection in Citrix SD-WAN Appliance and NetScaler SD-WAN Appliance.

Added to KEV: 2022-03-25Federal patch deadline: 2022-04-15

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

An authenticated command injection vulnerability exists in Citrix SD-WAN Appliance and NetScaler SD-WAN Appliance. With an EPSS score of 0.80988 and confirmed exploitation, this flaw allows an authenticated attacker to execute arbitrary commands, potentially compromising the device.

This vulnerability is actively exploited in the wild and is listed in CISA's KEV catalog, confirming its use by attackers. While authentication is required, the impact of successful exploitation is significant.

Recommended Action

Apply the latest security updates and patches provided by Citrix for SD-WAN Appliance and NetScaler SD-WAN Appliance. Additionally, enforce strong authentication policies and limit administrative access to these devices.

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-2019-12991 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-2019-12991 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.