Cyber Resilience

CVE-2021-23397

MediumPublic PoC

Published: 25 July 2022

Published
25 July 2022
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0039 60.5th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-23397 is a medium-severity Prototype Pollution (CWE-1321) vulnerability in Merge Project Merge. Its CVSS base score is 5.6 (Medium).

Operationally, ranked in the top 39.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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

CWE(s)
CWE-1321

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

merge project
merge
all versions

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References