Vulnerability CVE-2021-43138
Published: 2022-04-06

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.

Type:

CWE-1321

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Async project -> Async 

 References:
https://github.com/caolan/async/blob/master/lib/mapValuesLimit.js
https://jsfiddle.net/oz5twjd9/
https://github.com/caolan/async/blob/master/lib/internal/iterator.js
https://github.com/caolan/async/commit/e1ecdbf79264f9ab488c7799f4c76996d5dca66d
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