What is CVE-2024-49388?

CVE-2024-49388 is a critical-severity vulnerability in Acronis Cyber Protect 16, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.1/10. Published 2024-10-15.

How severe is CVE-2024-49388?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Acronis Cyber Protect 16

CVE-2024-49388

Sensitive information manipulation due to improper authorization. The following products are affected: Acronis Cyber Protect 16 (Linux, Windows) before build 38690.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2024-10-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (16.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 16.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Acronis Cyber Protect 16 — versions unspecified
Acronis Cyber Protect — versions 16
Linux Kernel
Microsoft Windows

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

security-advisory.acronis.com/advisories/SEC-5984 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2024-49388?: CVE-2024-49388 is a critical-severity vulnerability in Acronis Cyber Protect 16, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.1/10. Published 2024-10-15.
How severe is CVE-2024-49388?: Critical severity. CVSS v3 base score is 9.1 out of 10.