Vulnerability · Published Nov 3, 2021 · Assigned by snyk
CVE-2021-23807Prototype Pollution
Medium 5.6
In plain English
A medium-severity security flaw in jsonpointer. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.8% (higher than 86% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.6Medium
Exploit odds (30 days)2.8%top 13.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | jsonpointer | 5.0.0 | GHSA-282f-qqgm-c34q |
| npm | org.webjars.npm:json-pointer | 5.0.0 | GHSA-282f-qqgm-c34q |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | jsonpointer | unspecified – before 5.0.0 |
References
- https://snyk.io/vuln/SNYK-JS-JSONPOINTER-1577288 x_refsource_MISC
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1910273 x_refsource_MISC
- https://github.com/janl/node-jsonpointer/pull/51 x_refsource_MISC
- https://github.com/janl/node-jsonpointer/commit/a0345f3550cd9c4d89f33b126390202b89510ad4 x_refsource_MISC