Session Hijacking Vulnerability in SCALANCE X204RNA by Siemens
CVE-2022-46353

9.8CRITICAL

Key Information:

Vendor
Siemens
Status
Scalance X204rna (hsr)
Scalance X204rna (prp)
Scalance X204rna Eec (hsr)
Scalance X204rna Eec (prp)
Vendor
CVE Published:
13 December 2022

Summary

A vulnerability has been found in the SCALANCE X204RNA series by Siemens, where the webserver improperly calculates session IDs and nonces. This flaw allows unauthenticated remote attackers to conduct brute-force attempts on session IDs, potentially leading to session hijacking. Users of the affected versions, specifically those below V3.2.7, are at risk of having their active sessions compromised, which could lead to unauthorized access to sensitive information and control over network operations.

Affected Version(s)

SCALANCE X204RNA (HSR) All versions < V3.2.7

SCALANCE X204RNA (PRP) All versions < V3.2.7

SCALANCE X204RNA EEC (HSR) All versions < V3.2.7

References

https://cert-portal.siemens.com/productcert/pdf/ssa-36382...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.