Vulnerability CVE-2021-23421
Published: 2021-08-11

Description:
All versions of package merge-change are vulnerable to Prototype Pollution via the utils.set function.

Type:

CWE-915

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Merge-change project -> Merge-change 

 References:
https://github.com/VladimirShestakov/merge-change/blob/9901f145e06158f284f52de42e6ba5b0f702fb65/utils.js%23L89-L123
https://snyk.io/vuln/SNYK-JS-MERGECHANGE-1310985
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