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CVE-2020-15256
October 19, 2020
A prototype pollution vulnerability has been found in "object-path" <= 0.11.4 affecting the "set()" method. The vulnerability is limited to the "includeInheritedProps" mode (if version >= 0.11.0 is used), which has to be explicitly enabled by creating a new instance of "object-path" and setting the option "includeInheritedProps: true", or by using the default "withInheritedProps" instance. The default operating mode is not affected by the vulnerability if version >= 0.11.0 is used. Any usage of "set()" in versions < 0.11.0 is vulnerable. The issue is fixed in object-path version 0.11.5 As a workaround, don't use the "includeInheritedProps: true" options or the "withInheritedProps" instance if using a version >= 0.11.0.
Affected Packages
object-path (CDN_JS):
Affected version(s) >=0.8.1 <0.11.5
Fix Suggestion:
Update to version 0.11.5
object-path (NPM):
Affected version(s) >=0.0.1 <0.11.5
Fix Suggestion:
Update to version 0.11.5
Additional Notes
The description of this vulnerability differs from MITRE.
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CVSS v4
Base Score:
8.4
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.7
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
HIGH
CVSS v2
Base Score:
6.8
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Weakness Type (CWE)
Improper Input Validation
Modification of Assumed-Immutable Data (MAID)
EPSS
Base Score:
0.18