CVE-2021-23568

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

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://snyk.io/vuln/SNYK-JS-EXTEND2-2320315	Exploit Third Party Advisory
https://github.com/eggjs/extend2/blob/master/index.js%23L50-L60	Broken Link
https://github.com/eggjs/extend2/pull/2	Issue Tracking Patch Third Party Advisory
https://github.com/eggjs/extend2/commit/aa332a59116c8398976434b57ea477c6823054f8	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:eggjs:extend2:*:*:*:*:*:node.js:*:*

Information

Published : 2022-01-10 06:10

Updated : 2022-01-13 11:58

NVD link : CVE-2021-23568

Mitre link : CVE-2021-23568

JSON object : View

CWE

CWE-1321

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

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Products Affected

eggjs

extend2

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