CVE-2021-25953

CRITICAL

putil-merge 1.0.0-3.6.6 - Prototype Pollution

Title source: llm
STIX 2.1

Description

Prototype pollution vulnerability in 'putil-merge' versions1.0.0 through 3.6.6 allows attacker to cause a denial of service and may lead to remote code execution.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25953

Scores

CVSS v3 9.8
EPSS 0.0296
EPSS Percentile 85.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-1321
Status published
Products (2)
npm/putil-merge 1.0.0 - 3.7.0npm
putil-merge_project/putil-merge 1.0.0 - 3.6.6
Published Jul 14, 2021
Tracked Since Feb 18, 2026