CVE-2020-9327

In SQLite 3.31.1, isAuxiliaryVtabOperator allows attackers to trigger a NULL pointer dereference and segmentation fault because of generated column optimizations.

Published: 2020-02-21 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-9327 is rated Moderate Risk (63.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.68%). EPSS rose +2.73% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2020-9327

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.95% 3.68% +2.73%
2 2026-04-12 0.70% 0.95% +0.25%
3 2025-12-28 — 0.70% —

Full EPSS history (25 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-9327

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2020-9327

OS Trackers for CVE-2020-9327

vendor priority summary link
debian not yet assigned CVE-2020-9327 not yet assigned priority: Debian including 1 source packages (sqlite3), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2020-9327
gentoo normal CVE-2020-9327: 1 GLSA(s) (202003-16), 1 atom(s) (dev-db/sqlite); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2020-9327
redhat medium — https://access.redhat.com/security/cve/CVE-2020-9327
suse medium CVE-2020-9327 severity moderate: SUSE including 394 source package names (0.1.0:libsqlite3-0-3.36.0-3.12.1, 0.1.75:libsqlite3-0-3.36.0-3.12.1, …), 1129 product×package rows across 565 product lines (Container bci/bci-init, Container bci/bci-sle15-kernel-module-devel, … (565 product lines)): Fixed 843, Known Not Affected 150, Known Affected 136. https://www.suse.com/security/cve/CVE-2020-9327/
ubuntu medium CVE-2020-9327 medium priority: Ubuntu including 1 source packages (sqlite3), 5 status rows across 5 suites (bionic, eoan, trusty, upstream, xenial): released 3, not-affected 2. https://ubuntu.com/security/CVE-2020-9327

Affected software / configurations for CVE-2020-9327

Vendor Product Version Raw CPE
sqlite sqlite 3.31.1 cpe:2.3:a:sqlite:sqlite:3.31.1:*:*:*:*:*:*:*
netapp cloud_backup — cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
canonical ubuntu_linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
canonical ubuntu_linux 18.04 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 19.10 cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
siemens sinec_infrastructure_network_services < 1.0.1.1 cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*
oracle communications_network_charging_and_control >= 12.0.0, <= 12.0.3 cpe:2.3:a:oracle:communications_network_charging_and_control:*:*:*:*:*:*:*:*
oracle communications_network_charging_and_control 6.0.1 cpe:2.3:a:oracle:communications_network_charging_and_control:6.0.1:*:*:*:*:*:*:*
oracle communications_network_charging_and_control 12.0.2 cpe:2.3:a:oracle:communications_network_charging_and_control:12.0.2:*:*:*:*:*:*:*
oracle enterprise_manager_ops_center 12.4.0.0 cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0.0:*:*:*:*:*:*:*
oracle hyperion_infrastructure_technology 11.1.2.4 cpe:2.3:a:oracle:hyperion_infrastructure_technology:11.1.2.4:*:*:*:*:*:*:*
oracle mysql_workbench <= 8.0.22 cpe:2.3:a:oracle:mysql_workbench:*:*:*:*:*:*:*:*
oracle outside_in_technology 8.5.4 cpe:2.3:a:oracle:outside_in_technology:8.5.4:*:*:*:*:*:*:*
oracle outside_in_technology 8.5.5 cpe:2.3:a:oracle:outside_in_technology:8.5.5:*:*:*:*:*:*:*
oracle zfs_storage_appliance_kit 8.8 cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
oracle communications_messaging_server 8.1 cpe:2.3:o:oracle:communications_messaging_server:8.1:*:*:*:*:*:*:*

References for CVE-2020-9327

URL Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Patch Third Party Advisory
https://security.gentoo.org/glsa/202003-16 Third Party Advisory
https://security.netapp.com/advisory/ntap-20200313-0002/ Third Party Advisory
https://usn.ubuntu.com/4298-1/ Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2020.html Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html Patch Third Party Advisory
https://www.sqlite.org/cgi/src/info/4374860b29383380 Vendor Advisory
https://www.sqlite.org/cgi/src/info/9d0d4ab95dc0c56e Patch Vendor Advisory
https://www.sqlite.org/cgi/src/info/abc473fb8fb99900 Patch Vendor Advisory
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