CRITICAL · 9.8

CVE-2021-26707

The merge-deep library before 3.0.3 for Node.js can be tricked into overwriting properties of Object.prototype or adding new properties to it. These properties are then inherited by every object in th...

Vulnerability Description

The merge-deep library before 3.0.3 for Node.js can be tricked into overwriting properties of Object.prototype or adding new properties to it. These properties are then inherited by every object in the program, thus facilitating prototype-pollution attacks against applications using this library.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Merge-Deep ProjectMerge-Deep< 3.0.3
NetappE-Series Performance Analyzer-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-26707?

CVE-2021-26707 is a vulnerability with a CVSS score of 9.8 (CRITICAL). The merge-deep library before 3.0.3 for Node.js can be tricked into overwriting properties of Object.prototype or adding new properties to it. These properties are then inherited by every object in th...

How severe is CVE-2021-26707?

CVE-2021-26707 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-26707?

Check the references section above for vendor advisories and patch information. Affected products include: Merge-Deep Project Merge-Deep, Netapp E-Series Performance Analyzer.