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TI-2019-13900 Aliases CVE-2019-19279GHSA-f47r-9fwr-4p3h

Improper input validation in Siemens SIPROTEC 4 and SIPROTEC Compact relays equipped with…

Priority LOW 36CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A vulnerability has been identified in SIPROTEC 4 and SIPROTEC Compact relays equipped with EN100 Ethernet communication modules (All versions). Specially crafted packets sent to port 50000/UDP of the EN100 Ethernet communication modules could cause a Denial-of-Service of the affected device. A manual reboot is required to recover the service of the device. At the time of advisory publication no public exploitation of this security vulnerability was known to Siemens.

Why it matters now

EPSS 0.01591 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensSIPROTEC 4 and SIPROTEC Compact relays equipped with EN100 Ethernet communication modulesAll versions—No fix listedCNA
  • SIPROTEC 4 and SIPROTEC Compact relays equipped with EN100 Ethernet communication modules VendorSiemens Affected All versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:siemens:siprotec_4:*:*:*:*:*:*:*:*all versionsVulnerableSiemens
cpe:2.3:a:siemens:siprotec_compact:*:*:*:*:*:*:*:*all versionsVulnerableSiemens
  • cpe:2.3:a:siemens:siprotec_4:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Siemens
  • cpe:2.3:a:siemens:siprotec_compact:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Siemens

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-19279
  2. 2026-10-03 Alias added: GHSA-f47r-9fwr-4p3h

References

Sources