CVE-2024-31484 Null dereference in CPC80 Central Processing/Communication

High 7.3 Published Updated

Attackers can execute code or cause denial of service in Siemens industrial devices via improper null termination in HTTP header parsing.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2024-31484?

CVE-2024-31484 is a high-severity vulnerability in Siemens CPC80 Central Processing/Communication, published on 14 May 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A vulnerability has been identified in CPC80 Central Processing/Communication (All versions < V16.41), CPCI85 Central Processing/Communication (All versions < V5.30), CPCX26 Central Processing/Communication (All versions < V06.02), ETA4 Ethernet Interface IEC60870-5-104 (All versions < V10.46), ETA5 Ethernet Int. 1x100TX IEC61850 Ed.2 (All versions < V03.27), PCCX26 Ax 1703 PE, Contr, Communication Element (All versions < V06.05). The affected devices contain an improper null termination vulnerability while parsing a specific HTTP header. This could allow an attacker to execute code in the context of the current process or lead to denial of service condition.

Weakness: CWE-170

Which versions are affected by CVE-2024-31484?

How do I fix CVE-2024-31484?

No fix has been published for CVE-2024-31484 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-31484 being exploited?

There is no known exploitation of CVE-2024-31484 in the wild and no public exploit code.

Sources

Also known as GHSA-42vc-vfqh-cr2x.

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