SB2018012603 - Authentication bypass in Siemens Desigo PXC devices
Published: January 26, 2018
Security Bulletin ID
SB2018012603
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Authentication bypass (CVE-ID: CVE-2018-4834)
CWE-ID: CWE-287 - Improper Authentication
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a remote attacker to bypass authentication on the target system.
The weakness exists in Siemens Desigo PXC devices due to insufficient authentication checks. A remote attacker can bypass authentication and upload malicious firmware for further attacks.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.