CVE-2017-12734 Information disclosure in LOGO! 8 BM (incl. SIPLUS variants)
An attacker with network access can steal session IDs from the integrated web server, potentially hijacking active user sessions on Siemens LOGO! 8 BM devices.
- 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-2017-12734?
CVE-2017-12734 is a high-severity vulnerability in Siemens LOGO! 8 BM (incl. SIPLUS variants), published on 30 Aug 2017. 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 LOGO! 8 BM (incl. SIPLUS variants) (All versions < V1.81.2). An attacker with network access to the integrated web server on port 80/tcp could obtain the session ID of an active user session. A user must be logged in to the web interface. Siemens recommends to use the integrated webserver on port 80/tcp only in trusted networks.
Which versions are affected by CVE-2017-12734?
It affects 1 product.
Products include Siemens Logo\!8 Bm Fs-05 Firmware.
How do I fix CVE-2017-12734?
No fix has been published for CVE-2017-12734 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-12734 being exploited?
There is no known exploitation of CVE-2017-12734 in the wild and no public exploit code.
Other vulnerabilities in Siemens LOGO! 8 BM (incl. SIPLUS variants)
Sources
Also known as GHSA-p45c-2j4h-j2xg.