CVE-2018-20621
UnknownEPSS 0.89%
Last modified
CVE-2018-20621 is a vulnerability of currently unknown severity. 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. EPSS estimates a 0.89% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microvirt | Memu | 6.0.6 |
References
- https://github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2018-20621Exploit, Third Party Advisory
- https://github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2018-20621Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-20621?
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.
How severe is CVE-2018-20621?
Severity scoring for CVE-2018-20621 is pending analysis. The EPSS model estimates a 0.89% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20621?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2018
- CVE-2018-20614public\install\install.php in CIM 0.9.3 allows remote attack…
- CVE-2018-20615An out-of-bounds read issue was discovered in the HTTP/2 pro…
- CVE-2018-20616ok-file-formats through 2018-10-16 has a heap-based buffer o…
- CVE-2018-20617ok-file-formats through 2018-10-16 has a heap-based buffer o…
- CVE-2018-20618ok-file-formats through 2018-10-16 has a heap-based buffer o…8.8
- CVE-2018-2062Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultI…
- CVE-2018-20622JasPer 2.0.14 has a memory leak in base/jas_malloc.c in libj…6.5
- CVE-2018-20623In GNU Binutils 2.31.1, there is a use-after-free in the err…5.5
- CVE-2018-20626PHP Scripts Mall Consumer Reviews Script 4.0.3 has directory…
- CVE-2018-20627PHP Scripts Mall Consumer Reviews Script 4.0.3 has HTML inje…
- CVE-2018-20628PHP Scripts Mall Charity Foundation Script 1 through 3 allow…
- CVE-2018-20629PHP Scripts Mall Charity Donation Script readymadeb2bscript …
Are you affected by CVE-2018-20621?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST