CVE-2021-46894
CRITICALCVSS 9.8/10EPSS 0.38%
Last modified
CVE-2021-46894 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Use After Free (UAF) vulnerability in the uinput module.Successful exploitation of this vulnerability may lead to kernel privilege escalation.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.
Description
Use After Free (UAF) vulnerability in the uinput module.Successful exploitation of this vulnerability may lead to kernel privilege escalation.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Huawei | Emui | 12.0.0 |
| Huawei | Harmonyos | 2.0.0 |
References
- https://consumer.huawei.com/en/support/bulletin/2023/7/Vendor Advisory
- https://consumer.huawei.com/en/support/bulletin/2023/7/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-46894?
Use After Free (UAF) vulnerability in the uinput module.Successful exploitation of this vulnerability may lead to kernel privilege escalation.
How severe is CVE-2021-46894?
CVE-2021-46894 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.
How do I fix CVE-2021-46894?
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 2021
- CVE-2021-46888An issue was discovered in hledger before 1.23. A Stored Cro…5.4
- CVE-2021-46889The 10Web Photo Gallery plugin through 1.5.69 for WordPress …6.1
- CVE-2021-46890Vulnerability of incomplete read and write permission verifi…9.8
- CVE-2021-46891Vulnerability of incomplete read and write permission verifi…9.8
- CVE-2021-46892Encryption bypass vulnerability in Maintenance mode. Success…7.5
- CVE-2021-46893Vulnerability of unstrict data verification and parameter ch…7.5
- CVE-2021-46895Vulnerability of defects introduced in the design process in…9.1
- CVE-2021-46896Buffer Overflow vulnerability in PX4-Autopilot allows attack…7.5
- CVE-2021-46897views.py in Wagtail CRX CodeRed Extensions (formerly CodeRed…6.5
- CVE-2021-46898views/switch.py in django-grappelli (aka Django Grappelli) b…6.1
- CVE-2021-46899SyncTrayzor 1.1.29 enables CEF (Chromium Embedded Framework)…7.8
- CVE-2021-46900Sympa before 6.2.62 relies on a cookie parameter for certain…7.5
Are you affected by CVE-2021-46894?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST