Prototype Pollution in Deep.assign Project
CVE-2021-40663
deep.assign npm package 0.0.0-alpha.0 is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution').
Vulnerability class: Prototype Pollution
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Deep.assign Project — versions 0.0.0
Weakness classification (CWE)
References
- github.com/janbialostok/deep-assign/issues/1 (Exploit, Third Party Advisory, Issue Tracking)
- www.npmjs.com/package/deep.assign (Product, Third Party Advisory)
- security.netapp.com/advisory/ntap-20220826-0002/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-40663?
- CVE-2021-40663 is a critical-severity vulnerability in Deep.assign Project, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 9.8/10. Published 2022-06-30.
- How severe is CVE-2021-40663?
- Critical severity. CVSS v3 base score is 9.8 out of 10.