PT-2021-24029 · Uipath · Uipath App Studio

Published 2021-12-14 · Updated 2021-12-20 · CVE-2021-44043

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: UiPath App Studio version 21.4.4

Description: An issue was discovered in the file-upload functionality for uploading icons when attempting to create new Apps, allowing for a persistent XSS vulnerability. An attacker with minimal privileges can build their own App and upload a malicious file containing an XSS payload by uploading an arbitrary file and modifying the MIME type in a subsequent HTTP request. This enables the file to be stored and retrieved from the server by other users in the same organization.

Recommendations: For UiPath App Studio version 21.4.4, consider disabling the file-upload functionality for uploading icons until a patch is available to prevent exploitation of the persistent XSS vulnerability. Restrict access to the affected functionality to minimize the risk of exploitation. Avoid using the file-upload feature for uploading icons in the affected version until the issue is resolved.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-44043

Affected Products

Uipath App Studio

References · 5

• https://osv.dev/vulnerability/CVE-2021-44043 · Vendor Advisory
• https://docs.uipath.com/robot/docs/uipath-assistant · Vendor Advisory
• https://docs.uipath.com/apps/v2021.10/docs/2021-10-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-44043 · Security Note
• https://t.me/cibsecurity/33959 · Telegram Post