CVEvulnerability
CVE-2021-23509
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-11-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.6 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-843
Description
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 configurations
• json-ptr project json-ptr (< 3.0.0)
Related
Weakness · CWE (1)
- CWE-843 Access of Resource Using Incompatible Type weakness
References
- https://github.com/flitbit/json-ptr%23security-vulnerabilities-resolved Broken Link, Third Party Advisory
- https://github.com/flitbit/json-ptr/commit/5dc458fbad1c382a2e3ca6d62e66ede3d92849ca Patch, Third Party Advisory
- https://github.com/flitbit/json-ptr/pull/42 Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1767165 Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry
- https://snyk.io/vuln/SNYK-JS-JSONPTR-1577291 Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry
- https://github.com/flitbit/json-ptr%23security-vulnerabilities-resolved Broken Link, Third Party Advisory
- https://github.com/flitbit/json-ptr/commit/5dc458fbad1c382a2e3ca6d62e66ede3d92849ca Patch, Third Party Advisory
- https://github.com/flitbit/json-ptr/pull/42 Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1767165 Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry
- https://snyk.io/vuln/SNYK-JS-JSONPTR-1577291 Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry