by Kastro
Paper/Archive/CVE-2021-33719

CVE-2021-33719

Siemens SIPROTEC 5 relays with CPU variants CP050 — A vulnerability has been identified in SIPROTEC 5 relays with CPU variants CP050 (All versions < V8.80), SIPROTEC 5 relays with CPU varia…

EPSS 2%CVSS 9.8
critical.is priorityof 100
46
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 82.2.822 × 2016.4No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
SIPROTEC 5 relays with CPU variants CP050All versions < V8.80–CNA
SIPROTEC 5 relays with CPU variants CP100All versions < V8.80–CNA
SIPROTEC 5 relays with CPU variants CP300All versions < V8.80–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refcert-portal.siemens.com/productcert/pdf/ssa-847986.pdf