Heap Overflow Vulnerability in SCALANCE Network Switches by Siemens
CVE-2020-15800

9.8CRITICAL

Key Information:

Vendor
Siemens
Status
Scalance X-200 Switch Family (incl. Siplus Net Variants)
Scalance X-200irt Switch Family (incl. Siplus Net Variants)
Scalance X-300 Switch Family (incl. X408 And Siplus Net Variants)
Vendor
CVE Published:
12 January 2021

Summary

A vulnerability exists within the webserver of the SCALANCE X-200 and X-300 switch families, allowing attackers to exploit the system by sending specially crafted requests. This exploitation can lead to a heap overflow condition, which may temporarily disrupt the functionality of the webserver, posing significant risks to network integrity and uptime.

Affected Version(s)

SCALANCE X-200 switch family (incl. SIPLUS NET variants) All versions < V5.2.5

SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) All versions < V5.5.0

SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) All versions < V4.1.0

References

https://cert-portal.siemens.com/productcert/pdf/ssa-13962...
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

.