What is CVE-2020-15496?

CVE-2020-15496 is a high-severity vulnerability in Acronis True Image, classified under Improper Preservation of Permissions. CVSS score: 7.8/10. Published 2021-07-15.

How severe is CVE-2020-15496?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Acronis True Image

CVE-2020-15496

Acronis True Image for Mac before 2021 Update 4 allowed local privilege escalation due to insecure folder permissions.

Published 2021-07-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (12.3th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.3% 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 2021

Weakness classification (CWE)

CWE-281 — Improper Preservation of Permissions

References

www.acronis.com/en-us/support/updates/index.html (Release Notes, Vendor Advisory)
kb.acronis.com/content/68396 (Vendor Advisory)

Frequently asked questions

What is CVE-2020-15496?: CVE-2020-15496 is a high-severity vulnerability in Acronis True Image, classified under Improper Preservation of Permissions. CVSS score: 7.8/10. Published 2021-07-15.
How severe is CVE-2020-15496?: High severity. CVSS v3 base score is 7.8 out of 10.