SiberianCMS - CWE-274: Improper Handling of Insufficient Privileges

published 2023-09-26 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43100

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits: 0; none known

Patch / fix

fixed in 1

siberiancms siberiancms 4.20.44, 5.0.4

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 2 y ago (2024-09-24)

Exploit prediction

0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

SiberianCMS SiberianCMS

Classification

Weakness

CWE-274 Improper Handling of Insufficient Privileges
CWE-269 Improper Privilege Management

References

gov.il /en/Departments/faq/cve_advisories
third-party-advisory

Sources

CVE List CVE-2023-39375
NVD CVE-2023-39375

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary