What is CVE-2025-11791?

CVE-2025-11791 is a medium-severity vulnerability in Acronis Cyber Protect 17, classified under Missing Authorization. CVSS score: 5.5/10. Published 2026-03-05.

How severe is CVE-2025-11791?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Auth bypass in Acronis Cyber Protect 17

CVE-2025-11791

Sensitive information disclosure and manipulation due to insufficient authorization checks. The following products are affected: Acronis Cyber Protect 17 (Linux, macOS, Windows) before build 41186, Acronis Cyber Protect Cloud Agent (Linux…

Vulnerability class: Broken Access Control

EPSS: 0.000 (4.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Acronis Cyber Protect 17 — versions unspecified
Acronis Cyber Protect Cloud Agent — versions unspecified

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

SEC-9405 (vendor-advisory)

Frequently asked questions

What is CVE-2025-11791?: CVE-2025-11791 is a medium-severity vulnerability in Acronis Cyber Protect 17, classified under Missing Authorization. CVSS score: 5.5/10. Published 2026-03-05.
How severe is CVE-2025-11791?: Medium severity. CVSS v3 base score is 5.5 out of 10.