Auth bypass in Acronis Cyber Protect 15

CVE-2025-30410

Sensitive data disclosure and manipulation due to missing authentication. The following products are affected: Acronis Cyber Protect Cloud Agent (Linux, macOS, Windows) before build 39870, Acronis Cyber Protect 16 (Linux, macOS, Windows) before build 39938, Acronis Cyber Protect 15 (Linux, macOS, Windows) before build 41800.

Vulnerability class: Broken Authentication

EPSS: 0.006 (47.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-30410?
CVE-2025-30410 is a critical-severity vulnerability in Acronis Cyber Protect 15, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-02-20.
How severe is CVE-2025-30410?
Critical severity. CVSS v3 base score is 9.8 out of 10.