Heap-based Buffer Overflow in Arcserve Unified Data Protection
CVE-2025-34522

9.2CRITICAL

Key Information:

Vendor

Arcserve

Vendor
CVE Published:
27 August 2025

What is CVE-2025-34522?

A vulnerability exists in the input parsing logic of Arcserve Unified Data Protection that can be exploited through heap-based buffer overflow. This flaw allows unauthorized attackers to send specially crafted inputs which compromise heap memory, resulting in application instability or enabling remote code execution. The exploitation does not require user interaction and can occur pre-authentication. All versions prior to 10.2 are affected, while versions 8.0 through 10.1 need urgent patching or upgrading. Version 10.2 incorporates necessary security fixes.

Affected Version(s)

Unified Data Protection (UDP) 8.0 <= 10.1

Unified Data Protection (UDP) * <= 7.x

Unified Data Protection (UDP) 10.2

References

CVSS V4

Score:
9.2
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

watchTowr
.
CVE-2025-34522 : Heap-based Buffer Overflow in Arcserve Unified Data Protection