SB2021081110 - Improper Authorization in Siemens Industrial products



SB2021081110 - Improper Authorization in Siemens Industrial products

Published: August 11, 2021

Security Bulletin ID SB2021081110
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Authorization (CVE-ID: CVE-2020-28397)

CWE-ID: CWE-285 - Improper Authorization

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to insufficient authorization checks. A remote attacker can read PLC variables from the affected devices.


Remediation

Install update from vendor's website.