Is CVE-2021-36690 in the CISA KEV catalog?

No. CVE-2021-36690 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-36690?

CVE-2021-36690 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-36690?

CVE-2021-36690 has an EPSS score of 3.90% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-36690?

Upgrade sqlite3 on debian 11 to 3.34.1-3+deb11u1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-36690

HIGHEPSS 89th pctl

7.5

CVSS v3

NVD

Description

A segmentation fault can occur in the sqlite3.exe command-line component of SQLite 3.36.0 via the idxGetTableInfo function when there is a crafted SQL query. NOTE: the vendor disputes the relevance of this report because a sqlite3.exe user already has full privileges (e.g., is intentionally allowed to execute commands). This report does NOT imply any problem in the SQLite library.

How to fix

Remediation Available

sqlite3Debian

Fixed in:3.34.1-3+deb11u1CVE-2021-36690

Fixed in:3.36.0-2CVE-2021-36690

sqlite3Ubuntu

Fixed in:3.22.0-1ubuntu0.5USN-5403-1

Fixed in:3.31.1-4ubuntu0.3USN-5403-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

3.90%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Patch1

sqlite.org

Third-Party Advisory9

Other references1

lists.debian.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-03.