CVE-2021-31239
HighPublic PoC
Published: 09 May 2023
Published
09 May 2023
Modified
05 May 2025
KEV Added
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Patch
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CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0446
89.3th percentile
Risk Priority
18
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-31239 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Sqlite Sqlite. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 10.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-18151
Vulnerability details
An issue found in SQLite SQLite3 v.3.35.4 that allows a remote attacker to cause a denial of service via the appendvfs.c function.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
sqlite
sqlite
3.35.4
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.