#VU62361 Prototype pollution in Async - CVE-2021-43138
Published: April 15, 2022 / Updated: July 15, 2022
Vulnerability identifier: #VU62361
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-43138
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Async
Async
Software vendor:
Caolan McMahon
Caolan McMahon
Description
The vulnerability allows a remote attacker to escalate privileges within the application.
The vulnerability exists due to improper input validation when handling data passed via the mapValues() method. A remote attacker can send a specially crafted request and escalate privileges within the application.
Remediation
Install updates from vendor's website.