HIGH

CVE-2020-11655

Q: What is CVE-2020-11655?

SQLite through 3.31.1 allows attackers to cause a denial of service (segmentation fault) via a malformed window-function query because the AggInfo object's initialization is mishandled.

Q: Is CVE-2020-11655 actively exploited?

Active exploitation of CVE-2020-11655 has not been confirmed. Its EPSS score was 4.3% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2020-11655?

CVE-2020-11655 has a CVSS v3 base score of 7.5 (HIGH severity).

CVSS v3

7.5

HIGH

EPSS Score

4.3 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

sqliteBitnamiall versions · fixed in 3.31.2

Vendor advisories

CVE-2020-11655 Red Hat Product Security78 products fixed
sqlite: malformed window-function query leads to DoS
ICSA-26-141-03 CISA1 product fixed · 1 known affected
ABB B&R Automation Studio
ABB B&R Automation Studio <6.5
RHSA-2025:16504 Red Hat Product Security78 products fixed
Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.19 security, enhancement & bug fix update
ICSA-23-348-10 CISA5 known affected
Siemens SIMATIC S7-1500
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) · SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) · SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)
SSA-398330 Siemens ProductCERT5 known affected
SSA-398330: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP >= V3.1.0 and < V3.1.5
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) >= V3.1.0 < V3.1.5 · SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) >= V3.1.0 < V3.1.5 · SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) >= V3.1.0 < V3.1.5
ICSA-22-069-09 CISA1 known affected
Siemens SINEC INS
SINEC INS

1 more advisory

Full record on NVD

Description

SQLite through 3.31.1 allows attackers to cause a denial of service (segmentation fault) via a malformed window-function query because the AggInfo object's initialization is mishandled.

Technical details

Published: 2020-04-09

Frequently asked questions

What is CVE-2020-11655?

SQLite through 3.31.1 allows attackers to cause a denial of service (segmentation fault) via a malformed window-function query because the AggInfo object's initialization is mishandled.

Is CVE-2020-11655 actively exploited?

Active exploitation of CVE-2020-11655 has not been confirmed. Its EPSS score was 4.3% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-11655?

CVE-2020-11655 has a CVSS v3 base score of 7.5 (HIGH severity).

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