CVE-2020-13871

Exp

SQLite 3.32.2 has a use-after-free in resetAccumulator in select.c because the parse tree rewrite for window functions is too late.

Published: 2020-06-06 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2020-13871 is rated High Exploit Risk (74.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.44%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2020-13871

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2020-13871

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 2025-12-05 2.65% 2.44% -0.21%
2 2025-11-22 2.95% 2.65% -0.30%
3 2025-11-21 2.95%

Full EPSS history (21 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-13871

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-2020-13871

OS Trackers for CVE-2020-13871

vendor priority summary link
debian not yet assigned CVE-2020-13871 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-2020-13871
gentoo normal CVE-2020-13871: 1 GLSA(s) (202007-26), 1 atom(s) (dev-db/sqlite); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2020-13871
redhat medium https://access.redhat.com/security/cve/CVE-2020-13871
ubuntu medium CVE-2020-13871 medium priority: Ubuntu including 2 source packages (sqlite, sqlite3), 12 status rows across 6 suites (bionic, eoan, focal, trusty, upstream, xenial): not-affected 10, needs-triage 1, released 1. https://ubuntu.com/security/CVE-2020-13871

Affected software / configurations for CVE-2020-13871

Vendor Product Version Raw CPE
sqlite sqlite 3.32.2 cpe:2.3:a:sqlite:sqlite:3.32.2:*:*:*:*:*:*:*
fedoraproject fedora 33 cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
oracle communications_messaging_server 8.1 cpe:2.3:a:oracle:communications_messaging_server:8.1:*:*:*:*:*:*:*
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 zfs_storage_appliance_kit 8.8 cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
siemens sinec_infrastructure_network_services < 1.0.1.1 cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*
netapp cloud_backup cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
netapp ontap_select_deploy_administration_utility cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*

References for CVE-2020-13871

URL Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00037.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BN32AGQPMHZRNM6P6L5GZPETOWTGXOKP/
https://security.gentoo.org/glsa/202007-26 Mitigation Third Party Advisory
https://security.netapp.com/advisory/ntap-20200619-0002/ Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html Third Party Advisory
https://www.sqlite.org/src/info/79eff1d0383179c4 Patch Vendor Advisory
https://www.sqlite.org/src/info/c8d3b9f0a750a529 Exploit Vendor Advisory
https://www.sqlite.org/src/info/cd708fa84d2aaaea Exploit Vendor Advisory
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