CVE-2023-39376Network attack vector

Authenticated security-feature disablement

Published Sep 26, 2023 · Updated Sep 24, 2024

Improper access control in Xtraball Siberian CMS 4.x and 5.x allows remote authenticated users to disable a security feature. The CNA and vendor material do not identify the affected component, endpoint, request field, or authorization check that permits the change. Authenticated network access is required; the documented consequence is limited to disabling the unspecified protection.

CVSS severity6.5
Medium
EPSS probability0.36%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Xtraball Siberian CMS 4.x and 5.x allows remote authenticated users to disable a security feature. The CNA and vendor material do not identify the affected component, endpoint, request field, or authorization check that permits the change. Authenticated network access is required; the documented consequence is limited to disabling the unspecified protection.

The record

CVE
CVE-2023-39376
Published
Sep 26, 2023
Updated
Sep 24, 2024
Vendor
Xtraball
Product
Siberian CMS
Classifications
CWE-284, T1562
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 26, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 24, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=versions 4.*, 5.* <=upgrade to version 4.20.44 or 5.0.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Xtraball · Siberian CMSversion=versions 4.*, 5.* <=upgrade to version 4.20.44 or 5.0.4

Published CVSS scores

6.5NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
6.8NIST National Vulnerability DatabaseAV:N/AC:L/Au:S/C:N/I:C/A:N
6.5Israel National Cyber DirectorateCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1562Impair Defenses

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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