Vulnerability · CVE-2021-20227
A flaw was found in SQLite's SELECT query functionality (src/select.c).
Published Mar 23, 2021 · catalog updated Oct 14, 2026 · A flaw was found
Check if you run it
No confirmed exploitation is on record for CVE-2021-20227. EPSS is 0.65%. Act only if a listed version of A flaw was found is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (A flaw was found).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium5.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.65%
- Remediation
- Advisory link
- Affected products
- cpe oracle/communications network charging and control · cpe oracle/enterprise manager for oracle database · cpe oracle/jd edwards enterpriseone tools · cpe oracle/mysql workbench · cpe oracle/outside in technology · cpe oracle/zfs storage appliance kit
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe oracle/communications network charging and control6.0.1
- cpe oracle/enterprise manager for oracle database13.4.0.0
- cpe oracle/jd edwards enterpriseone toolsversion unspecified
- cpe oracle/mysql workbenchversion unspecified
- cpe oracle/outside in technology8.5.5
- cpe oracle/zfs storage appliance kit8.8
- cpe sqlite/sqliteversion unspecified
How to fix CVE-2021-20227
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2021-20227. EPSS is 0.65%. Act only if a listed version of A flaw was found is installed.
Which versions are affected?
Compare what you have installed with oracle/communications network charging and control 6.0.1; oracle/enterprise manager for oracle database 13.4.0.0; oracle/outside in technology 8.5.5; oracle/zfs storage appliance kit 8.8. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-416: Use After Free. EPSS 0.65%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 23, 2021 · NIST NVD
Detected
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.
Oct 14, 2026 · NIST NVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2021-20227
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2021-20227
30-day exploitation probability 0.7%
first.org - NIST NVDVulnerability recordCVE-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 fro
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.