cve.bz

CVE-2021-23509

9.8 criticalEPSS 1.8%

Critical (9.8) in json-ptr project json-ptr. EPSS 1.8% chance of exploitation in the next 30 days. Fixed in json-ptr 3.0.0.

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.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)
CWE
CWE-843
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-8gwj-8hxc-285wnpmjson-ptr<3.0.03.0.0

References

Check your stackJSON