High severity · published Jun 1, 2021
CVE-2021-31684
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
7.5
CVSS
2.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JS
Json-smart-v1 · Json-smart Project
1.3 before 1.3.3 · source: NVD
JS
Json-smart-v2 · Json-smart Project
2.4 before 2.4.4 · source: NVD
UF
Utilities Framework · Oracle
4.4.0.0.0; 4.4.0.2.0; 4.4.0.3.0 · source: NVD