CVE-2021-31684
json-smart - security update
7.5
HIGH
CVSS 3.1
EPSS 0.11%
Description
A vulnerability was discovered in the indexOf function of JSONParserByteArray in JSON Smart versions 1.3 and 2.4 which causes a denial of service (DOS) via a crafted web request.
How to fix CVE-2021-31684
To remediate CVE-2021-31684, upgrade the affected package to a fixed version below.
- Debian/json-smart—upgrade to 2.2-2+deb11u1 or later
- —upgrade to 2.2-2+deb10u1 or later
- —upgrade to 1.3.3 or later
Is CVE-2021-31684 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.2-2+deb11u1
- from 0, < 2.2-2+deb10u1
- >= 1.3.0, < 1.3.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |