CVE-2021-25953
Prototype Pollution in putil-merge
9.8
CRITICAL
CVSS 3.1
EPSS 2.5%
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.
How to fix CVE-2021-25953
To remediate CVE-2021-25953, upgrade the affected package to a fixed version below.
- npm/putil-merge—upgrade to 3.7.0 or later
Is CVE-2021-25953 being exploited?
Low — EPSS is 2.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 1.0.0, < 3.7.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |