CVE-2021-33719

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 Software

VendorProductVersion RangeStatus
SiemensSIPROTEC 5 relays with CPU variants CP050All versions < V8.80affected
SiemensSIPROTEC 5 relays with CPU variants CP100All versions < V8.80affected
SiemensSIPROTEC 5 relays with CPU variants CP300All versions < V8.80affected

Weaknesses

  • CWE-120: CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

ADP Enrichment

CVE Program Container

Additional References

References