CVE-2021-43138

Aliases:GHSA-fwr7-v2mv-hh25
Modified
Published: 06 Apr 2022, 00:00
Last modified:04 Aug 2024, 03:47

Vulnerability Summary

Overall Risk (default)
medium
41/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.66% LOW
1% probability -0.05%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

06 Apr 2022, 00:00
Published
Vulnerability first disclosed
04 Aug 2024, 03:47
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1HIGHScore: 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • v2.0MEDIUMScore: 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.66% Percentile: 71%

Techniques & Countermeasures

  • CWE-1321Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

    The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

  • CWE-915Improperly Controlled Modification of Dynamically-Determined Object Attributes

    The product receives input from an upstream component that specifies multiple attributes, properties, or fields that are to be initialized or updated in an object, but it does not properly control which attributes can be modified.

Affected Systems

  • async_projectasync

    < 2.6.4 | ≥ 3.0.0, < 3.2.2

  • fedoraprojectfedora

    36 | 37

  • Npmasync

    ≥ 3.0.0, < 3.2.2 | ≥ 2.0.0, < 2.6.4

  • wordpressinsert-special-characters

    ≤ 1.0.4

References (20)