CVE-2024-41798 Auth bypass in SENTRON 7KM PAC3200
Attackers can bypass administrative access controls on SENTRON 7KM PAC3200 devices by brute-forcing the weak 4-digit PIN or sniffing clear-text Modbus traffic.
- 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-2024-41798?
CVE-2024-41798 is a critical authentication bypass vulnerability in Siemens SENTRON 7KM PAC3200, published on 8 Oct 2024. 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 SENTRON 7KM PAC3200 (All versions). Affected devices only provide a 4-digit PIN to protect from administrative access via Modbus TCP interface. Attackers with access to the Modbus TCP interface could easily bypass this protection by brute-force attacks or by sniffing the Modbus clear text communication.
Weakness: CWE-287
Which versions are affected by CVE-2024-41798?
How do I fix CVE-2024-41798?
No fix has been published for CVE-2024-41798 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-2024-41798 being exploited?
There is no known exploitation of CVE-2024-41798 in the wild and no public exploit code.
Sources
Also known as GHSA-rcxw-v8q3-f2f8.