Prototype Pollution in Fabiocaccamo Fabiocaccamo/utils.js
CVE-2021-3815
utils.js 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: 0.009 (58.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.000
Affected products
- Fabiocaccamo Fabiocaccamo/utils.js — versions unspecified
- Utils.js Project
Weakness classification (CWE)
Public proof-of-concept exploits
References
- huntr.dev/bounties/20f48c63-f078-4173-bcac-a9f34885f2c0 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- github.com/fabiocaccamo/utils.js/commit/102efafb291ce1916985514440d3bf8a6826890a (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3815?
- CVE-2021-3815 is a critical-severity vulnerability in Fabiocaccamo Fabiocaccamo/utils.js, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 9.8/10. Published 2021-12-08.
- How severe is CVE-2021-3815?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-3815 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.