by Kastro
Paper/Archive/CVE-2021-23509

CVE-2021-23509

snyk — Prototype Pollution

EPSS 2%CVSS 9.8
critical.is priorityof 100
45
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 78.8.788 × 2015.8No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

This affects the package json-ptr before 3.0.0. A type confusion vulnerability can lead to a bypass of CVE-2020-7766 when the user-provided keys used in the pointer parameter are arrays.

Affected

ProductAffectedFixed inSource
json-ptrunspecified – < 3.0.03.0.0CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
snyk (CNA)5.6CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

References

refsnyk.io/vuln/SNYK-JS-JSONPTR-1577291refsnyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1767165refgithub.com/flitbit/json-ptr/pull/42refgithub.com/flitbit/json-ptr/commit/5dc458fbad1c382a2e3ca6d62e66ede3d92849carefgithub.com/flitbit/json-ptr%23security-vulnerabilities-resolved