CVE-2021-33719

9.8CRITICAL

Key Information:

Vendor
Siemens
Status
Siprotec 5 Relays With Cpu Variants Cp050
Siprotec 5 Relays With Cpu Variants Cp100
Siprotec 5 Relays With Cpu Variants Cp300
Vendor
CVE Published:
14 September 2021

Summary

A vulnerability has been identified in SIPROTEC 5 relays with CPU variants CP050 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP100 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP300 (All versions < V8.80). Specially crafted packets sent to port 4443/tcp could cause a Denial-of-Service condition or potential remote code execution.

Affected Version(s)

SIPROTEC 5 relays with CPU variants CP050 All versions < V8.80

SIPROTEC 5 relays with CPU variants CP100 All versions < V8.80

SIPROTEC 5 relays with CPU variants CP300 All versions < V8.80

References

https://cert-portal.siemens.com/productcert/pdf/ssa-84798...
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

.