What is CVE-2023-44205?

CVE-2023-44205 is a medium-severity vulnerability in Acronis Cyber Protect 15, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2023-09-27.

How severe is CVE-2023-44205?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Acronis Cyber Protect 15

CVE-2023-44205

Sensitive information disclosure due to improper authorization. The following products are affected: Acronis Cyber Protect 15 (Linux, Windows) before build 35979.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2023-09-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.001

Affected products

Acronis Cyber Protect 15 — versions unspecified
Acronis Cyber Protect — versions 15
Linux Kernel
Microsoft Windows

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

security-advisory.acronis.com/advisories/SEC-4321 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-44205?: CVE-2023-44205 is a medium-severity vulnerability in Acronis Cyber Protect 15, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2023-09-27.
How severe is CVE-2023-44205?: Medium severity. CVSS v3 base score is 5.3 out of 10.