What is CVE-2025-43727?

CVE-2025-43727 is a high-severity vulnerability in Dell Data Domain Operating System, classified under Incorrect Implementation of Authentication Algorithm. CVSS score: 7.5/10. Published 2025-10-07.

How severe is CVE-2025-43727?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Dell Data Domain Operating System

CVE-2025-43727

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.

EPSS: 0.003 (26.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Dell Data_domain_operating_system
Dell Powerprotect Data Domain With Operating System (Dd Os) Lts2023 — versions 7.10.1.0
Dell Powerprotect Data Domain With Operating System (Dd Os) Lts2024 — versions 7.13.1.0
Dell Powerprotect Data Domain With Operating System (Dd Os) Of Feature Release — versions 7.7.1.0

Weakness classification (CWE)

CWE-303 — Incorrect Implementation of Authentication Algorithm

References

security_alert@emc.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-43727?: CVE-2025-43727 is a high-severity vulnerability in Dell Data Domain Operating System, classified under Incorrect Implementation of Authentication Algorithm. CVSS score: 7.5/10. Published 2025-10-07.
How severe is CVE-2025-43727?: High severity. CVSS v3 base score is 7.5 out of 10.