Vulnerability in Siemens Logo\!8 Bm
CVE-2019-10920
A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). Project data stored on the device, which is accessible via port 10005/tcp, can be decrypted due to a hardcoded encryption key. The security vulnerability could be exploited by an unauthenticated attacker with network access to port 10005/tcp. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality of the device. At the time of advisory publication no public exploitation of this security vulnerability was known.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.015 (73.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Siemens Logo\!8 Bm
- Siemens Logo\!8 Bm Firmware
- Siemens Logo! 8 Bm (Incl. Siplus Variants) — versions All versions < V8.3
Weakness classification (CWE)
References
- www.securityfocus.com/bid/108382 (VDB Entry, Third Party Advisory, vdb-entry)
- seclists.org/bugtraq/2019/May/72 (mailing-list, Mailing List, Third Party Advisory)
- seclists.org/fulldisclosure/2019/May/44 (mailing-list, Mailing List, Third Party Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-542701.pdf (Vendor Advisory)
- packetstormsecurity.com/files/153122/Siemens-LOGO-8-Hard-Coded-Cryptographic-Ke… (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-10920?
- CVE-2019-10920 is a high-severity vulnerability in Siemens Logo\!8 Bm, classified under Use of Hard-coded Cryptographic Key. CVSS score: 7.5/10. Published 2019-05-14.
- How severe is CVE-2019-10920?
- High severity. CVSS v3 base score is 7.5 out of 10.