Vulnerability CVE-2019-10920


Published: 2019-05-14

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.

Type:

CWE-798

Vendor: Siemens
Product: Logo!8 bm firmware 

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None

 References:
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

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