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CVE-2018-4835 Auth bypass in TeleControl Server Basic

Medium 5.3 Published Updated

Attackers can bypass authentication on TeleControl Server Basic to read limited information via network access.

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-2018-4835?

CVE-2018-4835 is a medium-severity authentication bypass vulnerability in Siemens Telecontrol Server Basic, published on 25 Jan 2018. 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 TeleControl Server Basic < V3.1. An attacker with network access to the TeleControl Server Basic's port 8000/tcp could bypass the authentication mechanism and read limited information.

Weakness: CWE-200, CWE-287

Which versions are affected by CVE-2018-4835?

It affects 1 product.

Products include Siemens Telecontrol Server Basic.

How do I fix CVE-2018-4835?

No fix has been published for CVE-2018-4835 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-2018-4835 being exploited?

There is no known exploitation of CVE-2018-4835 in the wild and no public exploit code.

All Siemens Telecontrol Server Basic vulnerabilities

Sources

Also known as GHSA-5g7j-5qqh-7hff.

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