What is CVE-2024-55538?

CVE-2024-55538 is a medium-severity vulnerability in Acronis True Image, classified under Missing Authentication for Critical Function. CVSS score: 4.0/10. Published 2025-01-02.

How severe is CVE-2024-55538?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Auth bypass in Acronis True Image

CVE-2024-55538

Sensitive information disclosure due to missing authentication. The following products are affected: Acronis True Image (macOS) before build 41725, Acronis True Image (Windows) before build 41736, Acronis True Image OEM (macOS) before build 42571, Acronis True Image OEM (Windows) before build 42575.

Vulnerability class: Broken Authentication

Published 2025-01-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (7.1th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Acronis True Image — versions unspecified
Acronis True Image Oem — versions unspecified

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

security-advisory.acronis.com/advisories/SEC-2209 (vendor-advisory)

Frequently asked questions

What is CVE-2024-55538?: CVE-2024-55538 is a medium-severity vulnerability in Acronis True Image, classified under Missing Authentication for Critical Function. CVSS score: 4.0/10. Published 2025-01-02.
How severe is CVE-2024-55538?: Medium severity. CVSS v3 base score is 4.0 out of 10.