CVE-2021-23417 : All versions of package deepmergefn are vulnerable to Prototype Pollution via de

All versions of package deepmergefn are vulnerable to Prototype Pollution via deepMerge function.

Published 2021-07-28 16:15:08

Updated 2022-06-28 14:11:45

Source Snyk

View at NVD, CVE.org

Products affected by CVE-2021-23417

Deepmergefn Project » Deepmergefn » For Node.js
cpe:2.3:a:deepmergefn_project:deepmergefn:*:*:*:*:*:node.js:*:*
Matching versions

EPSS FAQ

0.54%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 77 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
5.6	MEDIUM	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L	2.2	3.4	Snyk
Attack Vector: Network Attack Complexity: High Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: Low Availability: Low

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.

Assigned by: nvd@nist.gov (Primary)

https://snyk.io/vuln/SNYK-JS-DEEPMERGEFN-1310984

Prototype Pollution in deepmergefn | Snyk
Exploit;Third Party Advisory
https://github.com/jesusgm/deepmergefn/blob/master/index.js%23L6

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