VulnerabilityModified
CVE-2021-23509
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.
CRITICAL 9.8EPSS 1.83%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.83%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.83% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-843
- Affected
- json-ptr project/json-ptr
- Source
- report@snyk.io
References
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.