CVE-2021-40388 — HIGH (8.8)

Vulnerability Description

A privilege escalation vulnerability exists in Advantech SQ Manager Server 1.0.6. A specially-crafted file can be replaced in the system to escalate privileges to NT SYSTEM authority. An attacker can provide a malicious file to trigger this vulnerability.

CVSS Score

8.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Advantech	Sq Manager	1.0.6

Related Weaknesses (CWE)

CWE-276

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1399ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1399ExploitThird Party Advisory

FAQ

What is CVE-2021-40388?

CVE-2021-40388 is a vulnerability with a CVSS score of 8.8 (HIGH). A privilege escalation vulnerability exists in Advantech SQ Manager Server 1.0.6. A specially-crafted file can be replaced in the system to escalate privileges to NT SYSTEM authority. An attacker can ...

How severe is CVE-2021-40388?

CVE-2021-40388 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-40388?

Check the references section above for vendor advisories and patch information. Affected products include: Advantech Sq Manager.