CVE-2022-29884 Denial of service in CP-8000 MASTER MODULE WITH I/O -25/+70°C
Unauthenticated remote attackers can cause denial of service on Siemens CP-8000 modules by exploiting resource management flaws in the HTTPS server.
- 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-2022-29884?
CVE-2022-29884 is a high-severity denial of service vulnerability in Siemens CP-8000 MASTER MODULE WITH I/O -25/+70°C, published on 12 Jul 2022. 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 CP-8000 MASTER MODULE WITH I/O -25/+70°C (All versions < CPC80 V16.30), CP-8000 MASTER MODULE WITH I/O -40/+70°C (All versions < CPC80 V16.30), CP-8021 MASTER MODULE (All versions < CPC80 V16.30), CP-8022 MASTER MODULE WITH GPRS (All versions < CPC80 V16.30). When using the HTTPS server under specific conditions, affected devices do not properly free resources. This could allow an unauthenticated remote attacker to put the device into a denial of service condition.
Weakness: CWE-772
Which versions are affected by CVE-2022-29884?
It affects 3 products.
Products include Siemens Sicam A8000 Cp-8000 Firmware, Siemens Sicam A8000 Cp-8021 Firmware, Siemens Sicam A8000 Cp-8022 Firmware.
How do I fix CVE-2022-29884?
No fix has been published for CVE-2022-29884 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-29884 being exploited?
There is no known exploitation of CVE-2022-29884 in the wild and no public exploit code.
Other vulnerabilities in Siemens CP-8000 MASTER MODULE WITH I/O -25/+70°C
Sources
Also known as GHSA-fc38-5jq6-2248.