Cyber Resilience

CVE-2021-23383

MediumPublic PoC

Published: 04 May 2021

Published
04 May 2021
Modified
21 November 2024
KEV Added
Patch
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 0.0567 90.6th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-23383 is a medium-severity Prototype Pollution (CWE-1321) vulnerability in Handlebarsjs Handlebars. Its CVSS base score is 5.6 (Medium).

Operationally, ranked in the top 9.4% 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

The package handlebars before 4.7.7 are vulnerable to Prototype Pollution when selecting certain compiling options to compile templates coming from an untrusted source.

CWE(s)

Related Threats

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

Affected Assets

handlebarsjs
handlebars
≤ 4.7.7
netapp
e-series performance analyzer
all versions

Mitigating Controls

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

References