Is CVE-2021-44042 actively exploited?

No active exploitation of CVE-2021-44042 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-44042 be exploited remotely?

Yes. CVE-2021-44042 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-44042?

CVE-2021-44042 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2021-44042

CRITICAL

CVE-2021-44042

CWE-116Published: December 14, 2021· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

An issue was discovered in UiPath Assistant 21.4.4. User-controlled data supplied to the --process-start argument of the URI handler for uipath-assistant:// is not correctly encoded, resulting in attacker-controlled content being injected into the error message displayed (when the injected content does not match an existing process). A determined attacker could leverage this to execute JavaScript in the context of the Electron application.

NVD Source

Technical Analysis

CVE-2021-44042 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.