CVE-2019-6816 — CRITICAL (9.1)

Vulnerability Description

In Modicon Quantum all firmware versions, a CWE-94: Code Injection vulnerability could cause an unauthorized firmware modification with possible Denial of Service when using Modbus protocol.

CVSS Score

9.1

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Schneider-Electric	Modicon Quantum Firmware	All versions
Schneider-Electric	Modicon Quantum	-

Related Weaknesses (CWE)

CWE-94

References

https://www.schneider-electric.com/en/download/document/SEVD-2019-134-09/Vendor Advisory
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-09/Vendor Advisory

FAQ

What is CVE-2019-6816?

CVE-2019-6816 is a vulnerability with a CVSS score of 9.1 (CRITICAL). In Modicon Quantum all firmware versions, a CWE-94: Code Injection vulnerability could cause an unauthorized firmware modification with possible Denial of Service when using Modbus protocol.

How severe is CVE-2019-6816?

CVE-2019-6816 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-6816?

Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Modicon Quantum Firmware, Schneider-Electric Modicon Quantum.