What is CVE-2024-55541?

CVE-2024-55541 is a medium-severity vulnerability in Acronis Cyber Protect 16, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-01-02.

How severe is CVE-2024-55541?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Acronis Cyber Protect 16

CVE-2024-55541

Stored cross-site scripting (XSS) vulnerability due to missing origin validation in postMessage. The following products are affected: Acronis Cyber Protect 16 (Linux, Windows) before build 39169.

Vulnerability class: XSS (Cross-Site Scripting)

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

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.0% 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-79 — Cross-site Scripting

References

security-advisory.acronis.com/advisories/SEC-3647 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2024-55541?: CVE-2024-55541 is a medium-severity vulnerability in Acronis Cyber Protect 16, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-01-02.
How severe is CVE-2024-55541?: Medium severity. CVSS v3 base score is 6.1 out of 10.