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CVE-2021-43138
April 06, 2022
In Async before 2.6.4 and 3.x before 3.2.2, a malicious user can obtain privileges via the mapValues() method, aka lib/internal/iterator.js createObjectIterator prototype pollution.
Affected Packages
async (CDN_JS):
Affected version(s) >=3.0.0 <3.2.2
Fix Suggestion:
Update to version 3.2.2
async (CDN_JS):
Affected version(s) >=2.0.0 <2.6.4
Fix Suggestion:
Update to version 2.6.4
async (NPM):
Affected version(s) >=2.0.0 <2.6.4
Fix Suggestion:
Update to version 2.6.4
async (NPM):
Affected version(s) >=3.0.0 <3.2.2
Fix Suggestion:
Update to version 3.2.2
Related ResourcesĀ (20)
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CVSS v4
Base Score:
8.5
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
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)
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
EPSS
Base Score:
0.7