What is CVE-2021-23397?

CVE-2021-23397 is a medium-severity vulnerability in Merge Project, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 5.6/10. Published 2022-07-25.

How severe is CVE-2021-23397?

Medium severity. CVSS v3 base score is 5.6 out of 10.

Prototype Pollution in Merge Project

CVE-2021-23397

All versions of package @ianwalter/merge are vulnerable to Prototype Pollution via the main (merge) function. Maintainer suggests using @generates/merger instead.

Vulnerability class: Prototype Pollution

EPSS: 0.008 (51.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Merge_project Merge
N/a @Ianwalter/merge — versions 0

Weakness classification (CWE)

CWE-1321 — Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

References

report@snyk.io (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-23397?: CVE-2021-23397 is a medium-severity vulnerability in Merge Project, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 5.6/10. Published 2022-07-25.
How severe is CVE-2021-23397?: Medium severity. CVSS v3 base score is 5.6 out of 10.