CVE-2020-25231 Hardcoded credentials in LOGO! 8 BM (incl. SIPLUS variants)
An attacker can use a static encryption key to extract confidential information from protected program files in Siemens LOGO! devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-25231?
CVE-2020-25231 is a medium-severity vulnerability in Siemens LOGO! 8 BM (incl. SIPLUS variants), published on 14 Dec 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3), LOGO! Soft Comfort (All versions < V8.3). The encryption of program data for the affected devices uses a static key. An attacker could use this key to extract confidential information from protected program files.
Which versions are affected by CVE-2020-25231?
It affects 2 products.
Products include Siemens Logo\! 8 Bm Firmware, Siemens Logo\! Soft Comfort.
How do I fix CVE-2020-25231?
No fix has been published for CVE-2020-25231 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-25231 being exploited?
There is no known exploitation of CVE-2020-25231 in the wild and no public exploit code.
Other vulnerabilities in Siemens LOGO! 8 BM (incl. SIPLUS variants)
- CVE-2020-25228 Missing authorization in LOGO! 8 BM (incl. SIPLUS variants)
- CVE-2020-7593 Memory corruption in LOGO! 8 BM (incl. SIPLUS variants)
- CVE-2020-7589 Missing authorization in LOGO! 8 BM (incl. SIPLUS variants)
- CVE-2020-25234 Hardcoded credentials in LOGO! 8 BM (incl. SIPLUS variants)
- CVE-2020-25229 Weak cryptography in LOGO! 8 BM (incl. SIPLUS variants)
Sources
Also known as GHSA-hprx-w65c-9mfp.