Vulnerability DatabaseCVE-2021-31684
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CVE-2021-31684
Published:June 01, 2021
Updated:May 23, 2026
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.
Affected Packages
net.minidev:json-smart (JAVA):
Affected version(s) >=1.3 <1.3.3
Fix Suggestion:
Update to version 1.3.3
net.minidev:json-smart (JAVA):
Affected version(s) >=2.4.1 <2.4.4
Fix Suggestion:
Update to version 2.4.4
Related Resources (11)
https://github.com/netplex/json-smart-v2/issues/67
https://github.com/netplex/json-smart-v1
https://www.oracle.com/security-alerts/cpujan2022.html
https://github.com/netplex/json-smart-v1/pull/11
https://security.netapp.com/advisory/ntap-20240621-0006/
https://www.oracle.com/security-alerts/cpujul2022.html
https://nvd.nist.gov/vuln/detail/CVE-2021-31684
https://github.com/netplex/json-smart-v1/issues/10
https://github.com/netplex/json-smart-v2/pull/68
https://security.netapp.com/advisory/ntap-20240621-0006
https://lists.debian.org/debian-lts-announce/2023/03/msg00030.html
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Write
CWE-787
Out-of-bounds Read
CWE-125
EPSS
Base Score:
0.07