CVE-2019-10920
HIGHSiemens LOGO! 8 BM Firmware < V8.3 - Unauthenticated Hard-coded Cryptographic Key Exposure via Port 10005/tcp
Title source: llmDescription
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.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/108382
Mailing List, Third Party Advisory mailing-list
x_refsource_bugtraq
https://seclists.org/bugtraq/2019/May/72
Mailing List, Third Party Advisory mailing-list
x_refsource_fulldisc
http://seclists.org/fulldisclosure/2019/May/44
Vendor Advisory x_refsource_misc
https://cert-portal.siemens.com/productcert/pdf/ssa-542701.pdf
Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/153122/Siemens-LOGO-8-Hard-Coded-Cryptographic-Key.html
Scores
CVSS v3
7.5
EPSS
0.0076
EPSS Percentile
73.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-321
CWE-798
Status
published
Products (1)
siemens/logo\!8_bm_firmware
Published
May 14, 2019
Tracked Since
Feb 18, 2026