What is CVE-2021-23395?

CVE-2021-23395 is a high-severity vulnerability in Nedb Project, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.3/10. Published 2021-06-15.

How severe is CVE-2021-23395?

High severity. CVSS v3 base score is 7.3 out of 10.

Is CVE-2021-23395 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Prototype Pollution in Nedb Project

CVE-2021-23395

This affects all versions of package nedb. The library could be tricked into adding or modifying properties of Object.prototype using a __proto__ or constructor.prototype payload.

Vulnerability class: Prototype Pollution

EPSS: 0.009 (55.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Nedb_project Nedb
N/a Nedb — versions 0

Weakness classification (CWE)

CWE-1321 — Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

Public proof-of-concept exploits

Kirill89/Kirill89

References

report@snyk.io (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-23395?: CVE-2021-23395 is a high-severity vulnerability in Nedb Project, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.3/10. Published 2021-06-15.
How severe is CVE-2021-23395?: High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2021-23395 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.