CVE-2020-11656
criticalIn SQLite through 3.31.1, the ALTER TABLE implementation has a use-after-free, as demonstrated by an ORDER BY clause that belongs to a compound SELECT statemen…
Vendor / product: Sqlite — sqlite
In SQLite through 3.31.1, the ALTER TABLE implementation has a use-after-free, as demonstrated by an ORDER BY clause that belongs to a compound SELECT statement.
CVSS
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2020-04-09 03:15
Modified: 2026-10-14 10:17
NVD status: Modified
Last synced 1 day ago
Verified against the source API 2026-10-27 07:06 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
sqlite / sqlite ≤3.31.1
netapp / ontap_select_deploy_administration_utility all versions
oracle / communications_network_charging_and_control ≥12.0.0 ≤12.0.3, 6.0.1, 12.0.2
oracle / enterprise_manager_ops_center 12.4.0.0
oracle / hyperion_infrastructure_technology 11.1.2.4
oracle / mysql ≥8.0.0 ≤8.0.22
oracle / mysql_workbench ≤8.0.22
oracle / outside_in_technology 8.5.4, 8.5.5
oracle / zfs_storage_appliance_kit 8.8
oracle / communications_messaging_server 8.1
siemens / sinec_infrastructure_network_services <1.0.1.1
tenable / tenable.sc ≤5.19.0
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://www.sqlite.org/src/info/d09f8c3621d5f7f8
Vendor advisory: https://www3.sqlite.org/cgi/src/info/b64674919f673602
Vendor advisory: https://www.sqlite.org/src/info/d09f8c3621d5f7f8
Vendor advisory: https://www3.sqlite.org/cgi/src/info/b64674919f673602
Patch / mitigation: https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
Patch / mitigation: https://www.sqlite.org/src/info/d09f8c3621d5f7f8
Patch / mitigation: https://www3.sqlite.org/cgi/src/info/b64674919f673602
Patch / mitigation: https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
Patch / mitigation: https://www.sqlite.org/src/info/d09f8c3621d5f7f8
Patch / mitigation: https://www3.sqlite.org/cgi/src/info/b64674919f673602
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf cve@mitre.org
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:22.sqlite.asc cve@mitre.org
- https://security.gentoo.org/glsa/202007-26 cve@mitre.org
- https://security.netapp.com/advisory/ntap-20200416-0001/ cve@mitre.org
- https://www.oracle.com/security-alerts/cpuApr2021.html cve@mitre.org
- https://www.oracle.com/security-alerts/cpujan2021.html cve@mitre.org
- https://www.oracle.com/security-alerts/cpujul2020.html cve@mitre.org
- https://www.oracle.com/security-alerts/cpuoct2020.html cve@mitre.org
- https://www.sqlite.org/src/info/d09f8c3621d5f7f8 cve@mitre.org
- https://www.tenable.com/security/tns-2021-14 cve@mitre.org
- https://www3.sqlite.org/cgi/src/info/b64674919f673602 cve@mitre.org
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf af854a3a-2127-422b-91ae-364da2661108
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:22.sqlite.asc af854a3a-2127-422b-91ae-364da2661108
- https://security.gentoo.org/glsa/202007-26 af854a3a-2127-422b-91ae-364da2661108
- https://security.netapp.com/advisory/ntap-20200416-0001/ af854a3a-2127-422b-91ae-364da2661108
- https://www.oracle.com/security-alerts/cpuApr2021.html af854a3a-2127-422b-91ae-364da2661108
- https://www.oracle.com/security-alerts/cpujan2021.html af854a3a-2127-422b-91ae-364da2661108
- https://www.oracle.com/security-alerts/cpujul2020.html af854a3a-2127-422b-91ae-364da2661108
- https://www.oracle.com/security-alerts/cpuoct2020.html af854a3a-2127-422b-91ae-364da2661108
- https://www.sqlite.org/src/info/d09f8c3621d5f7f8 af854a3a-2127-422b-91ae-364da2661108
- https://www.tenable.com/security/tns-2021-14 af854a3a-2127-422b-91ae-364da2661108
- https://www3.sqlite.org/cgi/src/info/b64674919f673602 af854a3a-2127-422b-91ae-364da2661108
- https://cert-portal.siemens.com/productcert/html/ssa-389290.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:06 UTC · record ↗