Buffer overflow in Json-smart_project Json-smart-v1
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.
Vulnerability class: Buffer Overflow
EPSS: 0.023 (81.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Json-smart_project Json-smart-v1
- Json-smart_project Json-smart-v2
- Oracle Utilities_framework — versions 4.4.0.0.0, 4.4.0.2.0, 4.4.0.3.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, Issue Tracking)
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, Issue Tracking)
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org
- cve@mitre.org (mailing-list)
- cve@mitre.org
Frequently asked questions
- What is CVE-2021-31684?
- CVE-2021-31684 is a high-severity vulnerability in Json-smart_project Json-smart-v1, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2021-06-01.
- How severe is CVE-2021-31684?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-31684 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.