What is CVE-2023-39375?

CVE-2023-39375 is a high-severity vulnerability in Siberiancms, classified under Improper Handling of Insufficient Privileges. CVSS score: 7.5/10. Published 2023-09-27.

How severe is CVE-2023-39375?

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

Privilege escalation in Siberiancms

CVE-2023-39375

SiberianCMS - CWE-274: Improper Handling of Insufficient Privileges

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:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.8th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.8% 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

Siberiancms — versions versions 4.*, 5.*

Weakness classification (CWE)

References

www.gov.il/en/Departments/faq/cve_advisories (Third Party Advisory)

Frequently asked questions

What is CVE-2023-39375?: CVE-2023-39375 is a high-severity vulnerability in Siberiancms, classified under Improper Handling of Insufficient Privileges. CVSS score: 7.5/10. Published 2023-09-27.
How severe is CVE-2023-39375?: High severity. CVSS v3 base score is 7.5 out of 10.