Arcserve UDP < 10.2 Reflected Cross-Site Scripting (XSS)_CVE-2025-34521

4.8 / 10

MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Description

A reflected cross-site scripting (XSS) vulnerability exists in the web interface of the Arcserve Unified Data Protection (UDP), where unsanitized user input is improperly reflected in HTTP responses. This flaw allows remote attackers with low privileges to craft malicious links that, when visited by another user, execute arbitrary JavaScript in the victim’s browser. Successful exploitation may lead to session hijacking, credential theft, or other client-side impacts. The vulnerability requires user interaction and occurs within a shared browser context. This vulnerability affects all UDP versions prior to 10.2. UDP 10.2 includes the necessary patches and requires no action. Versions 8.0 through 10.1 are supported and require either patch application or upgrade to 10.2. Versions 7.x and earlier are unsupported or out of maintenance and must be upgraded to 10.2 to remediate the issue.

Basic Information

ID CVE-2025-34521

Source VulnCheck

Published Aug 27, 2025 at 21:19

Affected Product

Vendor Arcserve

Product Unified Data Protection (UDP)

Version 10.2

Affected Versions Arcserve Unified Data Protection (UDP) 8.0
Arcserve Unified Data Protection (UDP) *

CWE Classification

CWE-79

References

support.arcserve.com /s/article/Important-Security-Bulletin-Must-read-for-all-Arcserve-UDP-customers-on-all-versions

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