Name: CVE-2021-43138: Improperly Controlled Modification of Object Prototype Attributes
Creator: Rapid7
Published: 2022-04-06T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-43138, CWE-1321, CVSS 7.8, EPSS 0.03346

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 Details

CVSS 3.1 Base Score: 7.8
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Dell Powerstore Dsa2023366	—	Upgrade Dell PowerStoreOS to the latest version	Oct 23, 2025	Oct 5, 2023
Insert Special Characters Plugin	—	Update insert-special-characters plugin to version 1.0.5, or a newer patched version	May 15, 2025	Apr 7, 2022
Redhat_linux	—	No solution exists	Jul 9, 2025	Apr 6, 2022
Suse	—	Upgrade python3-bindUpgrade libisc1606-32bitUpgrade libirs1601-32bitUpgrade bind-docUpgrade grafanaUpgrade spacecmdUpgrade libns1604Upgrade libirs1601Upgrade libisccfg1600Upgrade libisc1606Upgrade wireUpgrade libbind9-1600-32bitUpgrade libbind9-1600Upgrade libdns1605Upgrade libdns1605-32bitUpgrade bind-develUpgrade dracut-saltbootUpgrade prometheus-postgres_exporterUpgrade libisccfg1600-32bitUpgrade bindUpgrade bind-utilsUpgrade libns1604-32bitUpgrade bind-devel-32bitUpgrade golang-github-lusitaniae-apache_exporterUpgrade bind-chrootenvUpgrade libirs-develUpgrade libisccc1600Upgrade libisccc1600-32bit	Aug 9, 2024	Apr 6, 2022

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence