CVE-2021-45034 Information disclosure in CP-8000 MASTER MODULE WITH I/O -25/+70°C
Unauthenticated attackers can access privileged logfiles and diagnostic data on Siemens CP-8000 modules via known download links.
- 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-2021-45034?
CVE-2021-45034 is a high-severity vulnerability in Siemens CP-8000 MASTER MODULE WITH I/O -25/+70°C, published on 11 Jan 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 < V16.20), CP-8000 MASTER MODULE WITH I/O -40/+70°C (All versions < V16.20), CP-8021 MASTER MODULE (All versions < V16.20), CP-8022 MASTER MODULE WITH GPRS (All versions < V16.20). The web server of the affected system allows access to logfiles and diagnostic data generated by a privileged user. An unauthenticated attacker could access the files by knowing the corresponding download links.
Which versions are affected by CVE-2021-45034?
It affects 4 products.
Products include Siemens Cp-8000 Master Module With I\/O -25\/\+70 Firmware, Siemens Cp-8000 Master Module With I\/O -40\/\+70 Firmware, Siemens Cp-8021 Master Module Firmware, Siemens Cp-8022 Master Module With Gprs Firmware.
How do I fix CVE-2021-45034?
No fix has been published for CVE-2021-45034 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-45034 being exploited?
There is no known exploitation of CVE-2021-45034 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-ccpq-49jg-pfwr.