Vulnerability in Dell Data Domain Operating System

CVE-2025-43891

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.

Vulnerability class: POODLE (CVE-2014-3566)

EPSS: 0.002 (9.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-43891?
CVE-2025-43891 is a medium-severity vulnerability in Dell Data Domain Operating System, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.3/10. Published 2025-10-07.
How severe is CVE-2025-43891?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2025-43891 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.