HIGH

CVE-2018-20505

Q: What is CVE-2018-20505?

SQLite 3.25.2, when queries are run on a table with a malformed PRIMARY KEY, allows remote attackers to cause a denial of service (application crash) by leveraging the ability to run arbitrary SQL statements (such as in certain WebSQL use cases).

Q: Is CVE-2018-20505 actively exploited?

Active exploitation of CVE-2018-20505 has not been confirmed. Its EPSS score was 6.9% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2018-20505?

CVE-2018-20505 has a CVSS v3 base score of 7.5 (HIGH severity).

CVSS v3

7.5

HIGH

EPSS Score

6.9 %

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.

Vendor advisories

CVE-2018-20505 Red Hat Product Security
sqlite: Multiple flaws in sqlite which can be triggered via corrupted internal databases (Magellan)
ICSA-26-141-03 CISA1 product fixed · 1 known affected
ABB B&R Automation Studio
ABB B&R Automation Studio <6.5

Full record on NVD

Description

SQLite 3.25.2, when queries are run on a table with a malformed PRIMARY KEY, allows remote attackers to cause a denial of service (application crash) by leveraging the ability to run arbitrary SQL statements (such as in certain WebSQL use cases).

Technical details

Published: 2019-04-03

Frequently asked questions

What is CVE-2018-20505?

Is CVE-2018-20505 actively exploited?

Active exploitation of CVE-2018-20505 has not been confirmed. Its EPSS score was 6.9% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-20505?

CVE-2018-20505 has a CVSS v3 base score of 7.5 (HIGH severity).

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