What is CVE-2023-44158?

CVE-2023-44158 is a high-severity vulnerability in Acronis Cyber Protect 15, classified under Insufficiently Protected Credentials. CVSS score: 7.5/10. Published 2023-09-27.

How severe is CVE-2023-44158?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Acronis Cyber Protect 15

CVE-2023-44158

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

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

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.5% 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: 0.008 · change: +0.002

Affected products

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

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

security-advisory.acronis.com/advisories/SEC-4071 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-44158?: CVE-2023-44158 is a high-severity vulnerability in Acronis Cyber Protect 15, classified under Insufficiently Protected Credentials. CVSS score: 7.5/10. Published 2023-09-27.
How severe is CVE-2023-44158?: High severity. CVSS v3 base score is 7.5 out of 10.