CVE-2019-19279 — HIGH (7.5)

Vulnerability Description

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.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Siemens	Siprotec 4	All versions
Siemens	Siprotec Compact	All versions

Related Weaknesses (CWE)

CWE-20

References

https://cert-portal.siemens.com/productcert/pdf/ssa-974843.pdfVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-974843.pdfVendor Advisory

FAQ

What is CVE-2019-19279?

CVE-2019-19279 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...

How severe is CVE-2019-19279?

CVE-2019-19279 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-19279?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens Siprotec 4, Siemens Siprotec Compact.