Vulnerability DatabaseCVE-2020-8116
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CVE-2020-8116
Published:February 04, 2020
Updated:May 17, 2026
Prototype pollution vulnerability in dot-prop npm package versions before 4.2.1 and versions 5.x before 5.1.1 allows an attacker to add arbitrary properties to JavaScript language constructs such as objects.
Affected Packages
dot-prop (NPM):
Affected version(s) >=5.0.0 <5.1.1
Fix Suggestion:
Update to version 5.1.1
dot-prop (NPM):
Affected version(s) >=1.0.0 <4.2.1
Fix Suggestion:
Update to version 4.2.1
Related Resources (9)
https://github.com/sindresorhus/dot-prop/issues/63
https://github.com/sindresorhus/dot-prop
https://github.com/sindresorhus/dot-prop/commit/3039c8c07f6fdaa8b595ec869ae0895686a7a0f2
https://access.redhat.com/security/cve/CVE-2020-8116
https://hackerone.com/reports/719856
https://github.com/sindresorhus/dot-prop/commit/c914124f418f55edea27928e89c94d931babe587
https://github.com/advisories/GHSA-ff7x-qrg7-qggm
https://nvd.nist.gov/vuln/detail/CVE-2020-8116
https://github.com/sindresorhus/dot-prop/tree/v4
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Weakness Type (CWE)
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
CWE-1321
Direct Request ('Forced Browsing')
CWE-425
Modification of Assumed-Immutable Data (MAID)
CWE-471
EPSS
Base Score:
0.76