CVE-2018-20621 — HIGH (7.8)

Vulnerability Description

An issue was discovered in Microvirt MEmu 6.0.6. The MemuService.exe service binary is vulnerable to local privilege escalation through binary planting due to insecure permissions set at install time. This allows code to be run as NT AUTHORITY/SYSTEM.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microvirt	Memu	6.0.6

Related Weaknesses (CWE)

CWE-732

References

https://github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2018-20621ExploitThird Party Advisory
https://github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2018-20621ExploitThird Party Advisory

FAQ

What is CVE-2018-20621?

CVE-2018-20621 is a vulnerability with a CVSS score of 7.8 (HIGH). An issue was discovered in Microvirt MEmu 6.0.6. The MemuService.exe service binary is vulnerable to local privilege escalation through binary planting due to insecure permissions set at install time....

How severe is CVE-2018-20621?

CVE-2018-20621 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-20621?

Check the references section above for vendor advisories and patch information. Affected products include: Microvirt Memu.