Prototype Pollution in Json5
CVE-2022-46175
JSON5 is an extension to the popular JSON file format that aims to be easier to write and maintain by hand (e.g. for config files). The `parse` method of the JSON5 library before and including versions 1.0.1 and 2.2.1 does not restrict par…
Vulnerability class: Prototype Pollution
EPSS: 0.093 (94.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:H.
Affected products
- Json5 — versions < 2.2.2
- Fedoraproject Fedora — versions 37
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (Exploit, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, Issue Tracking)
- security-advisories@github.com (Third Party Advisory, Issue Tracking)
- security-advisories@github.com (Patch, Third Party Advisory)
- security-advisories@github.com (vendor-advisory)
- security-advisories@github.com (mailing-list)
Frequently asked questions
- What is CVE-2022-46175?
- CVE-2022-46175 is a high-severity vulnerability in Json5, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.1/10. Published 2022-12-24.
- How severe is CVE-2022-46175?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2022-46175 known to be exploited?
- 17 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.