VulnerabilityModified
CVE-2021-23807
A type confusion vulnerability can lead to a bypass of a previous Prototype Pollution fix when the pointer components are arrays.
CRITICAL 9.8EPSS 2.73%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
This affects the package jsonpointer before 5.0.0. A type confusion vulnerability can lead to a bypass of a previous Prototype Pollution fix when the pointer components 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
- 2.73% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-843
- Affected
- janl/jsonpointer
- Source
- report@snyk.io
References
- https://github.com/janl/node-jsonpointer/commit/a0345f3550cd9c4d89f33b126390202b89510ad4Patch, Third Party Advisory
- https://github.com/janl/node-jsonpointer/pull/51Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1910273Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry
- https://snyk.io/vuln/SNYK-JS-JSONPOINTER-1577288Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry
- https://github.com/janl/node-jsonpointer/commit/a0345f3550cd9c4d89f33b126390202b89510ad4Patch, Third Party Advisory
- https://github.com/janl/node-jsonpointer/pull/51Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1910273Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry
- https://snyk.io/vuln/SNYK-JS-JSONPOINTER-1577288Exploit, Mitigation, Patch, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.