What is CVE-2024-55539?

CVE-2024-55539 is a low-severity vulnerability in Acronis Cyber Protect 16, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 2.5/10. Published 2024-12-23.

How severe is CVE-2024-55539?

Low severity. CVSS v3 base score is 2.5 out of 10.

Vulnerability in Acronis Cyber Protect 16

CVE-2024-55539

Weak algorithm used to sign RPM package. The following products are affected: Acronis Cyber Protect Cloud Agent (Linux) before build 39185, Acronis Cyber Protect 16 (Linux) before build 39938.

Vulnerability class: POODLE (CVE-2014-3566)

Published 2024-12-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.5 (Low). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.001 (1.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Acronis Cyber Protect 16 — versions unspecified
Acronis Cyber Protect Cloud Agent — versions unspecified

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

References

security-advisory.acronis.com/advisories/SEC-5825 (vendor-advisory)

Frequently asked questions

What is CVE-2024-55539?: CVE-2024-55539 is a low-severity vulnerability in Acronis Cyber Protect 16, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 2.5/10. Published 2024-12-23.
How severe is CVE-2024-55539?: Low severity. CVSS v3 base score is 2.5 out of 10.