CVE-2021-23568

EUVD-2022-0606
The package extend2 before 1.0.1 are vulnerable to Prototype Pollution via the extend function due to unsafe recursive merge.
Prototype Pollution
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.3 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
snykCNA
7.3 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P
Base Score
CVSS 3.x
EPSS Score
Percentile: 65%
Affected Products (NVD)
VendorProductVersion
eggjsextend2
𝑥
< 1.0.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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