Search for vulnerabilities
Vulnerability details: VCID-3vzp-xjww-jueb
Vulnerability ID VCID-3vzp-xjww-jueb
Aliases CVE-2021-20227
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20227.json
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2021-20227
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2021-20227
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2021-20227
epss 0.00214 https://api.first.org/data/v1/epss?cve=CVE-2021-20227
epss 0.00214 https://api.first.org/data/v1/epss?cve=CVE-2021-20227
epss 0.00214 https://api.first.org/data/v1/epss?cve=CVE-2021-20227
epss 0.00214 https://api.first.org/data/v1/epss?cve=CVE-2021-20227
epss 0.00214 https://api.first.org/data/v1/epss?cve=CVE-2021-20227
epss 0.00214 https://api.first.org/data/v1/epss?cve=CVE-2021-20227
epss 0.00214 https://api.first.org/data/v1/epss?cve=CVE-2021-20227
epss 0.00214 https://api.first.org/data/v1/epss?cve=CVE-2021-20227
epss 0.00214 https://api.first.org/data/v1/epss?cve=CVE-2021-20227
epss 0.00214 https://api.first.org/data/v1/epss?cve=CVE-2021-20227
epss 0.00214 https://api.first.org/data/v1/epss?cve=CVE-2021-20227
epss 0.00214 https://api.first.org/data/v1/epss?cve=CVE-2021-20227
epss 0.00214 https://api.first.org/data/v1/epss?cve=CVE-2021-20227
epss 0.00214 https://api.first.org/data/v1/epss?cve=CVE-2021-20227
cvssv2 2.1 https://nvd.nist.gov/vuln/detail/CVE-2021-20227
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2021-20227
archlinux Medium https://security.archlinux.org/AVG-1536
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20227.json
https://api.first.org/data/v1/epss?cve=CVE-2021-20227
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20227
https://security.gentoo.org/glsa/202103-04
https://security.gentoo.org/glsa/202210-40
https://security.netapp.com/advisory/ntap-20210423-0010/
https://www.oracle.com/security-alerts/cpuApr2021.html
https://www.oracle.com//security-alerts/cpujul2021.html
https://www.oracle.com/security-alerts/cpuoct2021.html
https://www.sqlite.org/releaselog/3_34_1.html
1924886 https://bugzilla.redhat.com/show_bug.cgi?id=1924886
AVG-1536 https://security.archlinux.org/AVG-1536
cpe:2.3:a:oracle:communications_network_charging_and_control:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:communications_network_charging_and_control:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_network_charging_and_control:6.0.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:communications_network_charging_and_control:6.0.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_manager_for_oracle_database:13.4.0.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:enterprise_manager_for_oracle_database:13.4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_workbench:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:mysql_workbench:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:outside_in_technology:8.5.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:outside_in_technology:8.5.5:*:*:*:*:*:*:*
cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
cpe:2.3:a:sqlite:sqlite:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:sqlite:sqlite:*:*:*:*:*:*:*:*
CVE-2021-20227 https://nvd.nist.gov/vuln/detail/CVE-2021-20227
USN-4732-1 https://usn.ubuntu.com/4732-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20227.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-20227
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-20227
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.22895
EPSS Score 0.00073
Published At Aug. 1, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:30:52.305591+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/edge/main.json 37.0.0