CVE-2021-40663

deep.assign npm package 0.0.0-alpha.0 is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution').

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

1.79% chance of exploitation in the next 30 days, 78th percentile

Published

2022-06-30

Updated

2024-08-04

Proof-of-concept exploits (1)

• janbialostok/deep-assign/issues/10★ · 2017-08-30

Security advisories

• https://security.netapp.com/advisory/ntap-20220826-0002
• https://www.npmjs.com/package/deep.assign
• advisories/GHSA-3829-mgmw-jcg4

References

• CVE Record
• NVD entry