SSA-625934

Siemens Security Advisory by Siemens ProductCERT

SSA-625934: Improper Access Control Vulnerability in the Webhooks Implementation of Siveillance Video Management Servers

Publication Date:	2026-02-10
Last Update:	2026-02-10
Current Version:	V1.0
CVSS v3.1 Base Score:	6.3
CVSS v4.0 Base Score:	5.3

SUMMARY

The Webhooks implementation of Siveillance Video Management Servers contains a vulnerability that could allow an authenticated remote attacker with read-only privileges to achieve full access to Webhooks API.

Siemens has released new versions for the affected products and recommends to update to the latest versions.

KNOWN AFFECTED PRODUCTS

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Affected Product and Versions	Remediation
Siveillance Video V2023 R1 All versions < V23.1 HotfixRev18 affected by CVE-2025-0836	Update to V23.1 HotfixRev18 or later version https://support.industry.siemens.com/cs/ww/en/view/109820659/ See further recommendations from section Mitigations
Siveillance Video V2023 R2 All versions < V23.2 HotfixRev18 affected by CVE-2025-0836	Update to V23.2 HotfixRev18 or later version https://support.industry.siemens.com/cs/ww/en/view/109823922/ See further recommendations from section Mitigations
Siveillance Video V2023 R3 All versions < V23.3 HotfixRev23 affected by CVE-2025-0836	Update to V23.3 HotfixRev23 or later version https://support.industry.siemens.com/cs/ww/en/view/109827783/ See further recommendations from section Mitigations
Siveillance Video V2024 R1 All versions < V24.1 HotfixRev14 affected by CVE-2025-0836	Update to V24.1 HotfixRev14 or later version https://support.industry.siemens.com/cs/ww/en/view/109976123/ See further recommendations from section Mitigations
Siveillance Video V2025 All versions < V25.1 HotfixRev8 affected by CVE-2025-0836	Update to V25.1 HotfixRev8 or later version https://support.industry.siemens.com/cs/ww/en/view/109988670/ See further recommendations from section Mitigations

KNOWN NOT AFFECTED PRODUCTS

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Known Not Affected Products	Reason
Siveillance Video V2022 R3 All versions not affected by CVE-2025-0836	The affected feature is not supported. (Vulnerable Code Not Present)

MITIGATIONS

Siemens has identified the following specific mitigations that customers can apply to reduce the risk:

If, for any reason it is not possible to install the latest patch, we recommend auditing your role security settings and consider everyone with read-only access to the Management Server as having a full access to Webhooks configuration.

Product-specific remediations or mitigations can be found in the section Known Affected Products.
Please follow the General Security Recommendations.

GENERAL SECURITY RECOMMENDATIONS

As a general security measure Siemens strongly recommends to protect network access to affected products with appropriate mechanisms. It is advised to follow recommended security practices in order to run the devices in a protected IT environment.

PRODUCT DESCRIPTION

Siveillance Video (formerly called Siveillance VMS) is a powerful IP video management software designed for deployments ranging from small and simple to large-scale and high-security. The Siveillance Video portfolio consists of four versions, Siveillance Video Core, Core Plus, Advanced, and Pro, addressing the specific needs of small and medium size solutions up to large complex deployments.

VULNERABILITY DESCRIPTION

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This chapter describes all vulnerabilities (CVE-IDs) addressed in this security advisory. Wherever applicable, it also documents the product-specific impact of the individual vulnerabilities.

Vulnerability CVE-2025-0836

Missing Authorization vulnerability in Milestone Systems XProtect VMS allows users with read-only access to Management Server to have full read/write access to MIP Webhooks API.

CVSS v3.1 Base Score	6.3
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0 Base Score	5.3
CVSS v4.0 Vector	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CWE	CWE-862: Missing Authorization

ACKNOWLEDGMENTS

Siemens thanks the following party for its efforts:

Milestone PSIRT for reporting and coordinated disclosure

ADDITIONAL INFORMATION

For additional information regarding the vulnerability see the related Milestone Security Advisory:

https://supportcommunity.milestonesys.com/s/article/CVE-2025-0836-XProtect-MIP-API-broken-access-control?language=en_US

For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories

HISTORY DATA

V1.0 (2026-02-10):

Publication Date

The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.