cvedb.io
CVE-2021-33719
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2021-09-14T11:15:24.447 · Last modified 2026-06-17T03:55:06.140

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 products

siemens — siprotec_5_with_cpu_variant_cp050

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.