What’s Vulnerable › Vulnerabilities

CVE-2021-25953

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-07-14 · updated 2026-06-17
• Weakness: CWE-1321

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.

Affected products

• putil-merge: from 1.0.0 through 3.6.6

References

• https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25953
• https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25953

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