CVE-2021-23509

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.

• CWE-843

• https://github.com/flitbit/json-ptr%23security-vulnerabilities-resolvedBroken Link, Third Party Advisory
• https://github.com/flitbit/json-ptr/commit/5dc458fbad1c382a2e3ca6d62e66ede3d92849caPatch, Third Party Advisory
• https://github.com/flitbit/json-ptr/pull/42Patch, Third Party Advisory
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1767165Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry
• https://snyk.io/vuln/SNYK-JS-JSONPTR-1577291Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry
• https://github.com/flitbit/json-ptr%23security-vulnerabilities-resolvedBroken Link, Third Party Advisory
• https://github.com/flitbit/json-ptr/commit/5dc458fbad1c382a2e3ca6d62e66ede3d92849caPatch, Third Party Advisory
• https://github.com/flitbit/json-ptr/pull/42Patch, Third Party Advisory
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1767165Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry
• https://snyk.io/vuln/SNYK-JS-JSONPTR-1577291Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry

Published

Nov 3, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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