What is CVE-2023-44209?

CVE-2023-44209 is a high-severity vulnerability in Acronis Cyber Protect 17, classified under Externally Controlled Reference to a Resource in Another Sphere. CVSS score: 7.8/10. Published 2023-10-04.

How severe is CVE-2023-44209?

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

Vulnerability in Acronis Cyber Protect 17

CVE-2023-44209

Local privilege escalation due to improper soft link handling. The following products are affected: Acronis Cyber Protect Cloud Agent (Linux, macOS, Windows) before build 29051, Acronis Cyber Protect 17 (Linux, macOS, Windows) before build 41186.

Published 2023-10-04 · 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: 0.004 (27.8th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.8% 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: 0.004 · change: +0.001

Affected products

Acronis Cyber Protect 17 — versions unspecified
Acronis Cyber Protect Cloud Agent — versions unspecified
Acronis Agent — versions c22.02
Apple macOS
Linux Kernel
Microsoft Windows

Weakness classification (CWE)

CWE-610 — Externally Controlled Reference to a Resource in Another Sphere

References

security-advisory.acronis.com/advisories/SEC-2119 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-44209?: CVE-2023-44209 is a high-severity vulnerability in Acronis Cyber Protect 17, classified under Externally Controlled Reference to a Resource in Another Sphere. CVSS score: 7.8/10. Published 2023-10-04.
How severe is CVE-2023-44209?: High severity. CVSS v3 base score is 7.8 out of 10.