CVE-2025-43891

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-10-07 · updated 2026-06-17
Weakness: CWE-327

Description

Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 through 8.3.0.15, LTS2025 release version 8.3.1.0, LTS2024 release versions 7.13.1.0 through 7.13.1.30, LTS 2023 release versions 7.10.1.0 through 7.10.1.60, contain an use of a Broken or Risky Cryptographic Algorithm vulnerability in the Authentication. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Information disclosure.

Affected products

Dell PowerProtect Data Domain: from 7.7.1.0 before 7.10.1.70; from 7.13.1.0 before 7.13.1.40; from 8.3.0.0 through 8.3.0.15; from 8.3.1.0 before 8.3.1.10 — fixed in 7.10.1.70, 7.13.1.40, 8.3.1.10

How to fix

Upgrade to a fixed version: Dell PowerProtect Data Domain 7.10.1.70, 7.13.1.40, 8.3.1.10. Check the vendor advisory for mitigations.

References

https://www.dell.com/support/kbdoc/en-us/000376224/dsa-2025-333-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities

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