CVE-2019-10920 Information

Description

A vulnerability has been identified in LOGO!8 BM (All versions). 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 Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

http://packetstormsecurity.com/files/153122/Siemens-LOGO-8-Hard-Coded-Cryptographic-Key.html http://seclists.org/fulldisclosure/2019/May/44 http://www.securityfocus.com/bid/108382 https://cert-portal.siemens.com/productcert/pdf/ssa-542701.pdf https://seclists.org/bugtraq/2019/May/72

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5