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CVE-2021-33719 PUBLISHED CVSS 9.800000190734863 CRITICAL

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.

EPSS 0.56% · 68.0th percentile

Risk Scores

CVSS v3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.56%
68.0th percentile

Affected Products

VendorProductVersions
SiemensSIPROTEC 5 relays with CPU variants CP100All versions < V8.80
SiemensSIPROTEC 5 relays with CPU variants CP300All versions < V8.80
siemenssiprotec_5_with_cpu_variant_cp1000
SiemensSIPROTEC 5 relays with CPU variants CP050All versions < V8.80
siemenssiprotec_5_with_cpu_variant_cp3000
siemenssiprotec_5_with_cpu_variant_cp0500

Timeline

References

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