CVE-2021-20227

moderate-risk
Published 2021-03-23

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.

Do I need to act?

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0.21% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (8)

Affected Vendors

Oracle Sqlite

References (16)

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1924886
Third Party Advisory https://security.gentoo.org/glsa/202103-04
Third Party Advisory https://security.gentoo.org/glsa/202210-40
Third Party Advisory https://security.netapp.com/advisory/ntap-20210423-0010/
Patch https://www.oracle.com//security-alerts/cpujul2021.html
Patch https://www.oracle.com/security-alerts/cpuApr2021.html
Patch https://www.oracle.com/security-alerts/cpuoct2021.html
Release Notes https://www.sqlite.org/releaselog/3_34_1.html
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1924886
Third Party Advisory https://security.gentoo.org/glsa/202103-04
Third Party Advisory https://security.gentoo.org/glsa/202210-40
Third Party Advisory https://security.netapp.com/advisory/ntap-20210423-0010/
Patch https://www.oracle.com//security-alerts/cpujul2021.html
Patch https://www.oracle.com/security-alerts/cpuApr2021.html
Patch https://www.oracle.com/security-alerts/cpuoct2021.html
Release Notes https://www.sqlite.org/releaselog/3_34_1.html
33
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 14/34 · Moderate