Vulnerability Details CVE-2021-23568
The package extend2 before 1.0.1 are vulnerable to Prototype Pollution via the extend function due to unsafe recursive merge.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 65.0%
CVSS Severity
CVSS v3 Score 7.3
CVSS v2 Score 7.5
References
- https://github.com/eggjs/extend2/blob/master/index.js%23L50-L60
- https://github.com/eggjs/extend2/commit/aa332a59116c8398976434b57ea477c6823054f8
- https://github.com/eggjs/extend2/pull/2
- https://snyk.io/vuln/SNYK-JS-EXTEND2-2320315
- https://github.com/eggjs/extend2/blob/master/index.js%23L50-L60
- https://github.com/eggjs/extend2/commit/aa332a59116c8398976434b57ea477c6823054f8
- https://github.com/eggjs/extend2/pull/2
- https://snyk.io/vuln/SNYK-JS-EXTEND2-2320315