7.8
HIGH CVSS 3.1
CVE-2021-43138
Async Prototype Pollution Vulnerability
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.

INFO

Published Date :

April 6, 2022, 5:15 p.m.

Last Modified :

Nov. 21, 2024, 6:28 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2021-43138 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fedoraproject fedora
1 Async_project async
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 HIGH [email protected]
Solution
Follow the instructions below to mitigate the CVE-2021-43138 vulnerability.
There is no known solution at this time.
Public PoC/Exploit Available at Github

CVE-2021-43138 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-43138.

URL Resource
https://github.com/caolan/async/blob/master/lib/internal/iterator.js Third Party Advisory
https://github.com/caolan/async/blob/master/lib/mapValuesLimit.js Third Party Advisory
https://github.com/caolan/async/blob/v2.6.4/CHANGELOG.md#v264 Release Notes Third Party Advisory
https://github.com/caolan/async/commit/e1ecdbf79264f9ab488c7799f4c76996d5dca66d Patch Third Party Advisory
https://github.com/caolan/async/compare/v2.6.3...v2.6.4 Patch Third Party Advisory
https://github.com/caolan/async/pull/1828 Patch Third Party Advisory
https://jsfiddle.net/oz5twjd9/ Exploit Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTEUUTNIEBHGKUKKLNUZSV7IEP6IP3Q3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UM6XJ73Q3NAM5KSGCOKJ2ZIA6GUWUJLK/
https://security.netapp.com/advisory/ntap-20240621-0006/
https://github.com/caolan/async/blob/master/lib/internal/iterator.js Third Party Advisory
https://github.com/caolan/async/blob/master/lib/mapValuesLimit.js Third Party Advisory
https://github.com/caolan/async/blob/v2.6.4/CHANGELOG.md#v264 Release Notes Third Party Advisory
https://github.com/caolan/async/commit/e1ecdbf79264f9ab488c7799f4c76996d5dca66d Patch Third Party Advisory
https://github.com/caolan/async/compare/v2.6.3...v2.6.4 Patch Third Party Advisory
https://github.com/caolan/async/pull/1828 Patch Third Party Advisory
https://jsfiddle.net/oz5twjd9/ Exploit Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTEUUTNIEBHGKUKKLNUZSV7IEP6IP3Q3/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UM6XJ73Q3NAM5KSGCOKJ2ZIA6GUWUJLK/
https://security.netapp.com/advisory/ntap-20240621-0006/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-43138 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

A centralized repository of standalone security patches for open source libraries.

appsec backport cve devsecops fix hotfix open-source patch protection remediation seal security update upgrade vulnerability

Updated: 1 year, 1 month ago
182 stars 0 fork 0 watcher
Born at : July 30, 2023, 4:46 p.m. This repo has been linked 265 different CVEs too.

None

JavaScript Vue TypeScript SCSS CSS

Updated: 1 week, 6 days ago
0 stars 0 fork 0 watcher
Born at : May 2, 2021, 4:50 p.m. This repo has been linked 22 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-43138 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-43138 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/caolan/async/blob/master/lib/internal/iterator.js
    Added Reference https://github.com/caolan/async/blob/master/lib/mapValuesLimit.js
    Added Reference https://github.com/caolan/async/blob/v2.6.4/CHANGELOG.md#v264
    Added Reference https://github.com/caolan/async/commit/e1ecdbf79264f9ab488c7799f4c76996d5dca66d
    Added Reference https://github.com/caolan/async/compare/v2.6.3...v2.6.4
    Added Reference https://github.com/caolan/async/pull/1828
    Added Reference https://jsfiddle.net/oz5twjd9/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTEUUTNIEBHGKUKKLNUZSV7IEP6IP3Q3/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UM6XJ73Q3NAM5KSGCOKJ2ZIA6GUWUJLK/
    Added Reference https://security.netapp.com/advisory/ntap-20240621-0006/
  • CVE Modified by [email protected]

    Jun. 21, 2024

    Action Type Old Value New Value
    Added Reference MITRE https://security.netapp.com/advisory/ntap-20240621-0006/ [No types assigned]
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTEUUTNIEBHGKUKKLNUZSV7IEP6IP3Q3/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UM6XJ73Q3NAM5KSGCOKJ2ZIA6GUWUJLK/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/MTEUUTNIEBHGKUKKLNUZSV7IEP6IP3Q3/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/UM6XJ73Q3NAM5KSGCOKJ2ZIA6GUWUJLK/
  • Modified Analysis by [email protected]

    Feb. 23, 2023

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/MTEUUTNIEBHGKUKKLNUZSV7IEP6IP3Q3/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/MTEUUTNIEBHGKUKKLNUZSV7IEP6IP3Q3/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/UM6XJ73Q3NAM5KSGCOKJ2ZIA6GUWUJLK/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/UM6XJ73Q3NAM5KSGCOKJ2ZIA6GUWUJLK/ Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jan. 21, 2023

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/UM6XJ73Q3NAM5KSGCOKJ2ZIA6GUWUJLK/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 21, 2023

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/MTEUUTNIEBHGKUKKLNUZSV7IEP6IP3Q3/ [No Types Assigned]
  • Modified Analysis by [email protected]

    May. 13, 2022

    Action Type Old Value New Value
    Changed Reference Type https://github.com/caolan/async/compare/v2.6.3...v2.6.4 No Types Assigned https://github.com/caolan/async/compare/v2.6.3...v2.6.4 Patch, Third Party Advisory
  • CVE Modified by [email protected]

    Apr. 26, 2022

    Action Type Old Value New Value
    Changed Description A vulnerability exists in Async through 3.2.1 (fixed in 3.2.2) , which could let a malicious user 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.
    Added Reference https://github.com/caolan/async/compare/v2.6.3...v2.6.4 [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 19, 2022

    Action Type Old Value New Value
    Changed Reference Type https://github.com/caolan/async/blob/v2.6.4/CHANGELOG.md#v264 No Types Assigned https://github.com/caolan/async/blob/v2.6.4/CHANGELOG.md#v264 Release Notes, Third Party Advisory
    Changed Reference Type https://github.com/caolan/async/pull/1828 No Types Assigned https://github.com/caolan/async/pull/1828 Patch, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:async_project:async:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.2 OR *cpe:2.3:a:async_project:async:*:*:*:*:*:*:*:* versions up to (excluding) 2.6.4 *cpe:2.3:a:async_project:async:*:*:*:*:*:*:*:* versions from (including) 3.0.0 up to (excluding) 3.2.2
  • CVE Modified by [email protected]

    Apr. 19, 2022

    Action Type Old Value New Value
    Added Reference https://github.com/caolan/async/pull/1828 [No Types Assigned]
    Added Reference https://github.com/caolan/async/blob/v2.6.4/CHANGELOG.md#v264 [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 13, 2022

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/caolan/async/blob/master/lib/internal/iterator.js No Types Assigned https://github.com/caolan/async/blob/master/lib/internal/iterator.js Third Party Advisory
    Changed Reference Type https://github.com/caolan/async/blob/master/lib/mapValuesLimit.js No Types Assigned https://github.com/caolan/async/blob/master/lib/mapValuesLimit.js Third Party Advisory
    Changed Reference Type https://github.com/caolan/async/commit/e1ecdbf79264f9ab488c7799f4c76996d5dca66d No Types Assigned https://github.com/caolan/async/commit/e1ecdbf79264f9ab488c7799f4c76996d5dca66d Patch, Third Party Advisory
    Changed Reference Type https://jsfiddle.net/oz5twjd9/ No Types Assigned https://jsfiddle.net/oz5twjd9/ Exploit, Third Party Advisory
    Added CWE NIST CWE-1321
    Added CPE Configuration OR *cpe:2.3:a:async_project:async:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.2
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 6.8
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.91 }} 0.49%

score

0.74831

percentile