What is CVE-2021-23433?

CVE-2021-23433 is a medium-severity vulnerability in Algolia Algoliasearch-Helper, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 5.9/10. Published 2021-11-19.

How severe is CVE-2021-23433?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Prototype Pollution in Algolia Algoliasearch-Helper

CVE-2021-23433

The package algoliasearch-helper before 3.6.2 are vulnerable to Prototype Pollution due to use of the merge function in src/SearchParameters/index.jsSearchParameters._parseNumbers without any protection against prototype properties. Note that this vulnerability is only exploitable if the implementation allows users to define arbitrary search patterns.

Vulnerability class: Prototype Pollution

EPSS: 0.016 (72.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Algolia Algoliasearch-helper
N/a Algoliasearch-helper — versions unspecified

Weakness classification (CWE)

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

References

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

Frequently asked questions

What is CVE-2021-23433?: CVE-2021-23433 is a medium-severity vulnerability in Algolia Algoliasearch-Helper, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 5.9/10. Published 2021-11-19.
How severe is CVE-2021-23433?: Medium severity. CVSS v3 base score is 5.9 out of 10.