CVE-2019-10920
A vulnerability has been identified in LOGO!
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.50% probability · 74th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-321, CWE-798
- Affected
- siemens/logo\!8 bm firmware
- Source
- productcert@siemens.com
EPSS 1.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/153122/Siemens-LOGO-8-Hard-Coded-Cryptographic-Key.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2019/May/44Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/108382Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-542701.pdfVendor Advisory
- https://seclists.org/bugtraq/2019/May/72Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/153122/Siemens-LOGO-8-Hard-Coded-Cryptographic-Key.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2019/May/44Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/108382Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-542701.pdfVendor Advisory
- https://seclists.org/bugtraq/2019/May/72Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.