CVE-2021-20227
MEDIUMCVSS 5.5/10EPSS 0.53%
Last modified
CVE-2021-20227 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A flaw was found in SQLite's SELECT query functionality (src/select.c). This flaw allows an attacker who is capable of running SQL queries locally on the SQLite database to cause a denial of service or possible code execution by triggering a use-after-free. EPSS estimates a 0.53% chance of exploitation in the next 30 days.
Description
A flaw was found in SQLite's SELECT query functionality (src/select.c). This flaw allows an attacker who is capable of running SQL queries locally on the SQLite database to cause a denial of service or possible code execution by triggering a use-after-free. The highest threat from this vulnerability is to system availability.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Sqlite | Sqlite | >= 3.33.0, < 3.34.1 |
| Oracle | Communications Network Charging And Control | >= 12.0.1.0, <= 12.0.4.0.0 |
| Oracle | Communications Network Charging And Control | 6.0.1 |
| Oracle | Enterprise Manager For Oracle Database | 13.4.0.0 |
| Oracle | Jd Edwards Enterpriseone Tools | < 9.2.6.0 |
| Oracle | Mysql Workbench | <= 8.0.26 |
| Oracle | Outside In Technology | 8.5.5 |
| Oracle | Zfs Storage Appliance Kit | 8.8 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1924886Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202103-04Third Party Advisory
- https://security.gentoo.org/glsa/202210-40Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210423-0010/Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
- https://www.sqlite.org/releaselog/3_34_1.htmlRelease Notes, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1924886Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202103-04Third Party Advisory
- https://security.gentoo.org/glsa/202210-40Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210423-0010/Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
- https://www.sqlite.org/releaselog/3_34_1.htmlRelease Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-20227?
A flaw was found in SQLite's SELECT query functionality (src/select.c). This flaw allows an attacker who is capable of running SQL queries locally on the SQLite database to cause a denial of service or possible code execution by triggering a use-after-free. The highest threat from this vulnerability is to system availability.
How severe is CVE-2021-20227?
CVE-2021-20227 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.
How do I fix CVE-2021-20227?
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.
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Are you affected by CVE-2021-20227?
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