CVE-2015-3972 Weak cryptography in n/a

Critical 10.0 Published Updated

Remote attackers can brute-force short PINs to gain unauthorized access to Janitza UMG power meter web interfaces.

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-2015-3972?

CVE-2015-3972 is a critical vulnerability in n/a, published on 28 Oct 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The web interface on Janitza UMG 508, 509, 511, 604, and 605 devices supports only short PIN values for authentication, which makes it easier for remote attackers to obtain access via a brute-force attack.

Weakness: CWE-254

Which versions are affected by CVE-2015-3972?

It affects 5 products.

Products include Janitza Umg 508, Janitza Umg 509, Janitza Umg 511, Janitza Umg 604, Janitza Umg 605.

How do I fix CVE-2015-3972?

No fix has been published for CVE-2015-3972 yet. Limit exposure of the affected software until one is available.

Is CVE-2015-3972 being exploited?

There is no known exploitation of CVE-2015-3972 in the wild and no public exploit code.

Sources

Also known as GHSA-fmpv-vgf3-9w39.

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