← Vulnerability feed

Vulnerability record · CVE-2018-20621 · published 13 March 2019

CVE-2018-20621: Microvirt memu incorrect permission assignment vulnerability

MMicrovirt · Memu

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.

7.8 CVSS 3.0 High EPSS 0.90% · top 41.8% CWE-732 · Incorrect permission assignment
7.8CVSS 3.0 base score, v2 7.2
0.90%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

Track CVE-2018-20621 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-14514Microvirt memu os command injection vulnerabilityAn issue was discovered in Microvirt MEmu all versions prior to 7.0.2. A guest Android operating system inside the MEmu emulator contains a /system/b…EPSS 7.0%9.3CVE-2019-25568Microvirt memu missing authentication for critical function vulnerabilityMemu Play 6.0.7 contains an insecure file permissions vulnerability that allows low-privilege users to escalate privileges by replacing the MemuServi…EPSS 0.32%4.3CVE-2018-13374FortiOS and FortiADC access control flaw exposes LDAP credentialsFortiOS (6.0.2, 5.6.7 and earlier) and FortiADC (6.1.0, 6.0.0-6.0.1, 5.4.0-5.4.4) contain an improper access control flaw. An attacker can redirect a…KEVEPSS 38%analysed7.8CVE-2022-22960VMware Workspace ONE Access and related products local privilege escalationVMware Workspace ONE Access, Identity Manager, vRealize Automation and related products ship support scripts with incorrect permission assignments (C…KEVEPSS 36%analysed7.8CVE-2021-23874McAfee Total Protection local privilege escalation via self-defense bypassMcAfee Total Protection before 16.0.30 has an improper privilege management flaw that lets a local user bypass the product's self-defense mechanism a…KEVEPSS 1.0%analysed7.8CVE-2019-15752Docker Desktop Community Edition local privilege escalation via writable credential binaryDocker Desktop Community Edition before 2.1.0.1 assigns incorrect permissions to the %PROGRAMDATA%\DockerDesktop\version-bin\ directory, letting a lo…KEVEPSS 49%analysed

Source: NIST National Vulnerability Database (record CVE-2018-20621), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.