CVE-2019-10920

HIGH

Siemens LOGO! 8 BM Firmware < V8.3 - Unauthenticated Hard-coded Cryptographic Key Exposure via Port 10005/tcp

Title source: llm
STIX 2.1

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.

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

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