Session Hijacking Vulnerability in Siemens SIMATIC MV Series
CVE-2022-33137

8HIGH

Key Information:

Vendor

Siemens
Status
Simatic Mv540 H
Simatic Mv540 S
Simatic Mv550 H
Simatic Mv550 S
Vendor
CVE Published:
12 July 2022

What is CVE-2022-33137?

A vulnerability in the web session management of the Siemens SIMATIC MV series devices allows an authenticated remote attacker to hijack the sessions of other users. This issue occurs because the session identifiers are not properly invalidated in certain logout scenarios, posing a significant risk to user account safety. Affected versions include all versions of SIMATIC MV540 H, MV540 S, MV550 H, MV550 S, MV560 U, and MV560 X prior to V3.3.

Affected Version(s)

SIMATIC MV540 H All versions < V3.3

SIMATIC MV540 S All versions < V3.3

SIMATIC MV550 H All versions < V3.3

References

https://cert-portal.siemens.com/productcert/pdf/ssa-34866...
x_refsource_MISC

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.