Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Logo\!8 Bm Firmware | All versions |
| Siemens | Logo\!8 Bm | All versions |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/153122/Siemens-LOGO-8-Hard-Coded-CryptograpThird Party AdvisoryVDB Entry
- http://seclists.org/fulldisclosure/2019/May/44Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/108382Third Party AdvisoryVDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-542701.pdfVendor Advisory
- https://seclists.org/bugtraq/2019/May/72Mailing ListThird Party Advisory
- http://packetstormsecurity.com/files/153122/Siemens-LOGO-8-Hard-Coded-CryptograpThird Party AdvisoryVDB Entry
- http://seclists.org/fulldisclosure/2019/May/44Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/108382Third Party AdvisoryVDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-542701.pdfVendor Advisory
- https://seclists.org/bugtraq/2019/May/72Mailing ListThird Party Advisory
FAQ
What is CVE-2019-10920?
CVE-2019-10920 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ha...
How severe is CVE-2019-10920?
CVE-2019-10920 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-10920?
Check the references section above for vendor advisories and patch information. Affected products include: Siemens Logo\!8 Bm Firmware, Siemens Logo\!8 Bm.