CVE-2020-7770

Source
https://nvd.nist.gov/vuln/detail/CVE-2020-7770
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-7770.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-7770
Aliases
Related
  • SNYK-JS-JSON8-1017116
Published
2020-11-12T11:15:11.870Z
Modified
2025-11-20T11:30:36.808673Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

This affects the package json8 before 1.0.3. The function adds in the target object the property specified in the path, however it does not properly check the key being set, leading to a prototype pollution.

References

Affected packages

Git / github.com/sonnyp/json8

Affected ranges

Type
GIT
Repo
https://github.com/sonnyp/json8
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed

Affected versions

v1.*

v1.0.1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-7770.json"