High severity · published Mar 13, 2019
CVE-2018-20621
An issue was discovered in Microvirt MEmu 6.0.6
7.8
CVSS
0.9%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Memu · Microvirt
6.0.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20621
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20621
Exploit
https://github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2018-20621
More from Memu
9.8
CVE-2019-14514
An issue was discovered in Microvirt MEmu all versions prior to 7.0.2
7.8
CVE-2019-25568
Memu Play 6.0.7 Privilege Escalation via Insecure File Permissions