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CVE-2021-23568

nvd nist
Published: Jan 10, 2022Modified: Jun 17, 2026

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD

Description

The package extend2 before 1.0.1 are vulnerable to Prototype Pollution via the extend function due to unsafe recursive merge.

Affected (1)

Products: Eggjs: Extend2
Eggjs
1 product
Extend2
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Extend2
Before 1.0.1

Related CWEs

CWE-1321
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

References (8)

Source: report@snyk.io
Broken Link
Source: report@snyk.io
PatchThird Party Advisory
Source: report@snyk.io
Issue TrackingPatchThird Party Advisory
Source: report@snyk.io
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory

Timeline

No history available yet.