Session ID Hijacking in Siemens SCALANCE X302-7 and X308-2 Products
CVE-2022-25752

9.8CRITICAL

Key Information:

Vendor

Siemens
Status
Scalance X302-7 Eec (230v)
Scalance X302-7 Eec (230v, Coated)
Scalance X302-7 Eec (24v)
Scalance X302-7 Eec (24v, Coated)
Vendor
CVE Published:
12 April 2022

What is CVE-2022-25752?

A vulnerability in various Siemens SCALANCE devices allows an unauthenticated remote attacker to exploit the insecure calculation of session IDs and nonces by the web server. This flaw enables attackers to brute-force valid session IDs, potentially leading to unauthorized access and session hijacking.

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Affected Version(s)

SCALANCE X302-7 EEC (230V, coated) All versions < V4.1.4

SCALANCE X302-7 EEC (230V) All versions < V4.1.4

SCALANCE X302-7 EEC (24V, coated) All versions < V4.1.4

References

https://cert-portal.siemens.com/productcert/pdf/ssa-83652...
x_refsource_MISC

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

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