CVE-2019-18339

Name: CVE-2019-18339
Creator: NVD / NIST
Published: 2019-12-12T19:15:20.467+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.65%

Last modified Jun 17, 2026

CVE-2019-18339 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability has been identified in SiNVR/SiVMS Video Server (All versions < V5.0.0). The HTTP service (default port 5401/tcp) of the SiVMS/SiNVR Video Server contains an authentication bypass vulnerability, even when properly configured with enforced authentication. A remote attacker with network access to the Video Server could exploit this vulnerability to read the SiVMS/SiNVR users database, including the passwords of all users in obfuscated cleartext.. EPSS estimates a 2.65% chance of exploitation in the next 30 days.

Description

A vulnerability has been identified in SiNVR/SiVMS Video Server (All versions < V5.0.0). The HTTP service (default port 5401/tcp) of the SiVMS/SiNVR Video Server contains an authentication bypass vulnerability, even when properly configured with enforced authentication. A remote attacker with network access to the Video Server could exploit this vulnerability to read the SiVMS/SiNVR users database, including the passwords of all users in obfuscated cleartext.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

2.65%

83.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Siemens	Sinvr 3 Central Control Server	All versions
Siemens	Sinvr 3 Video Server	All versions

References

https://cert-portal.siemens.com/productcert/pdf/ssa-761617.pdfVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-761617.pdfVendor Advisory

Timeline

Published: Dec 12, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-18339?

How severe is CVE-2019-18339?

CVE-2019-18339 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.65% probability of exploitation in the next 30 days.

How do I fix CVE-2019-18339?

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-2019-18339?

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

Scan your code now

Source: NVD / NIST