CVE-2021-20227

Name: CVE-2021-20227
Creator: NVD / NIST
Published: 2021-03-23T17:15:13.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.53%

Last modified Jun 17, 2026

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

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.53%

40.6th percentile

Probability of exploitation in the next 30 days. Learn more

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: Mar 23, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20227?

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.

Are you affected by CVE-2021-20227?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST