CVE-2025-43727: Dell Data Domain Operating System

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 through 8.1.0.10, LTS2024 release Versions 7.13.1.0 through 7.13.1.25, LTS 2023 release versions 7.10.1.0 through 7.10.1.50, contain an incorrect Implementation of Authentication Algorithm vulnerability in the RestAPI. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access.

Affected products

• Dell Data Domain Operating System: from 7.7.1.0, before 7.10.1.60 (fixed in 7.10.1.60); from 7.13.1.0, before 7.13.1.30 (fixed in 7.13.1.30); from 8.0.0.0, before 8.3.0.10 (fixed in 8.3.0.10)

Published 2025-10-07. Last modified 2026-06-17.