CVE-2020-25230 Weak cryptography in LOGO! 8 BM (incl. SIPLUS variants)
An attacker can extract encryption keys from captured traffic due to outdated cipher modes, compromising communication security on Siemens LOGO! 8 BM devices.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-2020-25230?
CVE-2020-25230 is a high-severity vulnerability in Siemens LOGO! 8 BM (incl. SIPLUS variants), published on 14 Dec 2020. 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 < V8.3). Due to the usage of an outdated cipher mode on port 10005/tcp, an attacker could extract the encryption key from a captured communication with the device.
Weakness: CWE-327
Which versions are affected by CVE-2020-25230?
It affects 1 product.
Products include Siemens Logo\! 8 Bm Firmware.
How do I fix CVE-2020-25230?
No fix has been published for CVE-2020-25230 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-25230 being exploited?
There is no known exploitation of CVE-2020-25230 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-c6rr-v7p8-35wh.