CVE-2023-39685 json
hson-java vulnerable to denial of service
published 2023-09-01 3 y ago modified 2026-06-17 4 mo ago also GHSA-94w5-rf69-2h6c , EUVD-2023-2472
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
An issue in hjson-java up to v3.0.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted JSON string.
Patch / fix
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/hjson/hjson-java/issues/27 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.hjson:hjson | <3.0.1 |
3.0.1 |
Classification
References
-
github.com
/hjson/hjson-java/commit/aff0b607929b4397d93dc0d029a56aeefb242602
web
-
github.com
/hjson/hjson-java/issues/27
web, exploit, issue-tracking, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2023-39685
advisory
-
github.com
/hjson/hjson-java
package
Sources
- CVE List CVE-2023-39685
- GitHub Advisory GHSA-94w5-rf69-2h6c
- NVD CVE-2023-39685
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.