// For flags

CVE-2021-43138

async <= 2.6.3 and 3-3.2.2 - Prototype Pollution

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

En Async antes de la versión 2.6.4 y 3.x antes de la versión 3.2.2, un usuario malicioso puede obtener privilegios a través del método mapValues(), también conocido como contaminación del prototipo lib/internal/iterator.js createObjectIterator

A vulnerability was found in the async package. This flaw allows a malicious user to obtain privileges via the mapValues() method.

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. Some WordPress plugins and themes use this dependency though that doesn’t necessarily mean the plugin itself is vulnerable to exploitation.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-11-01 CVE Reserved
  • 2022-04-06 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-08-04 First Exploit
  • 2024-11-10 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes
  • CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Async Project
Search vendor "Async Project"
Async
Search vendor "Async Project" for product "Async"
< 2.6.4
Search vendor "Async Project" for product "Async" and version " < 2.6.4"
-
Affected
Async Project
Search vendor "Async Project"
Async
Search vendor "Async Project" for product "Async"
>= 3.0.0 < 3.2.2
Search vendor "Async Project" for product "Async" and version " >= 3.0.0 < 3.2.2"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
Fedora
Search vendor "Fedoraproject" for product "Fedora"
36
Search vendor "Fedoraproject" for product "Fedora" and version "36"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
Fedora
Search vendor "Fedoraproject" for product "Fedora"
37
Search vendor "Fedoraproject" for product "Fedora" and version "37"
-
Affected