SB2022071324 - Multiple vulnerabilities in Siemens SIMATIC MV500 Devices

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2022071324

SB2022071324 - Multiple vulnerabilities in Siemens SIMATIC MV500 Devices

Published: July 13, 2022 Updated: July 14, 2022

Security Bulletin ID SB2022071324
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Insufficient Session Expiration (CVE-ID: CVE-2022-33137)

CWE-ID: CWE-613 - Insufficient Session Expiration

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


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient session expiration issue. A remote user can hijack other users' sessions.


2) Missing Authentication for Critical Function (CVE-ID: CVE-2022-33138)

CWE-ID: CWE-306 - Missing Authentication for Critical Function

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


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to missing authentication for several web API endpoints. A remote attacker can read and download data from the device.


Remediation

Install update from vendor's website.

References