CVE-2019-18339 Auth bypass in SiNVR/SiVMS Video Server

Critical 9.8 Published Updated

Remote attackers can bypass authentication to read the user database and obtain cleartext passwords on Siemens SiNVR/SiVMS Video Servers.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-18339?

CVE-2019-18339 is a critical authentication bypass vulnerability in Siemens SiNVR/SiVMS Video Server, published on 12 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-306

Which versions are affected by CVE-2019-18339?

It affects 2 products.

Products include Siemens Sinvr 3 Central Control Server, Siemens Sinvr 3 Video Server.

How do I fix CVE-2019-18339?

No fix has been published for CVE-2019-18339 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2019-18339 being exploited?

There is no known exploitation of CVE-2019-18339 in the wild and no public exploit code.

Sources

Also known as GHSA-372q-jmw9-5mw6.

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