CVE-2019-5138 — CRITICAL (9.9)

Vulnerability Description

An exploitable command injection vulnerability exists in encrypted diagnostic script functionality of the Moxa AWK-3131A firmware version 1.13. A specially crafted diagnostic script file can cause arbitrary busybox commands to be executed, resulting in remote control over the device. An attacker can send diagnostic while authenticated as a low privilege user to trigger this vulnerability.

CVSS Score

9.9

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Moxa	Awk-3131A Firmware	1.13
Moxa	Awk-3131A	-

Related Weaknesses (CWE)

CWE-78

References

https://talosintelligence.com/vulnerability_reports/TALOS-2019-0927ExploitTechnical DescriptionThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0927ExploitTechnical DescriptionThird Party Advisory

FAQ

What is CVE-2019-5138?

CVE-2019-5138 is a vulnerability with a CVSS score of 9.9 (CRITICAL). An exploitable command injection vulnerability exists in encrypted diagnostic script functionality of the Moxa AWK-3131A firmware version 1.13. A specially crafted diagnostic script file can cause arb...

How severe is CVE-2019-5138?

CVE-2019-5138 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-5138?

Check the references section above for vendor advisories and patch information. Affected products include: Moxa Awk-3131A Firmware, Moxa Awk-3131A.