CVE-2023-37373 Missing authorization in RUGGEDCOM CROSSBOW

Medium 5.3 Published Updated

Unauthenticated remote attackers can write arbitrary files to the file system of Siemens RUGGEDCOM CROSSBOW due to missing authorization checks.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2023-37373?

CVE-2023-37373 is a medium-severity missing authorization vulnerability in Siemens RUGGEDCOM CROSSBOW, published on 8 Aug 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V5.4). The affected applications accept unauthenticated file write messages. An unauthenticated remote attacker could write arbitrary files to the affected application's file system.

Weakness: CWE-306

Which versions are affected by CVE-2023-37373?

It affects 1 product.

Products include Siemens Ruggedcom Crossbow.

How do I fix CVE-2023-37373?

No fix has been published for CVE-2023-37373 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-37373 being exploited?

There is no known exploitation of CVE-2023-37373 in the wild and no public exploit code.

Sources

Also known as GHSA-c649-6r6m-r7mw.

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