CVE-2020-25239

Name: CVE-2020-25239
Creator: NVD / NIST
Published: 2021-03-15T17:15:19.957+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.94%

Last modified Jun 17, 2026

CVE-2020-25239 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0). The webserver could allow unauthorized actions via special urls for unpriviledged users. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

Description

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0). The webserver could allow unauthorized actions via special urls for unpriviledged users. The settings of the UMC authorization server could be changed to add a rogue server by an attacker authenticating with unprivilege user rights.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.94%

56.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Siemens	Sinema Remote Connect Server	< 3.0

References

https://cert-portal.siemens.com/productcert/pdf/ssa-731317.pdfVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-731317.pdfVendor Advisory

Timeline

Published: Mar 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-25239?

How severe is CVE-2020-25239?

CVE-2020-25239 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.

How do I fix CVE-2020-25239?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-25239?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST