Improper input validation in Siemens SIPROTEC 4 and SIPROTEC Compact relays equipped with…
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
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Siemens | SIPROTEC 4 and SIPROTEC Compact relays equipped with EN100 Ethernet communication modules | All versions | — | No fix listed | CNA |
- SIPROTEC 4 and SIPROTEC Compact relays equipped with EN100 Ethernet communication modules VendorSiemens Affected All versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-19279
- 2026-10-03 Alias added: GHSA-f47r-9fwr-4p3h
References
Sources
- CVE-2019-19279 · CVE Program
- CVE-2019-19279 · NVD
- FIRST EPSS
- GHSA-f47r-9fwr-4p3h · GitHub Advisory Database · CC BY 4.0
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