What is CVE-2021-32736?

CVE-2021-32736 is a high-severity vulnerability in Thinkjs Think-Helper, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.5/10. Published 2021-06-30.

How severe is CVE-2021-32736?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-32736 known to be exploited?

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

Prototype Pollution in Thinkjs Think-Helper

CVE-2021-32736

think-helper defines a set of helper functions for ThinkJS. In versions of think-helper prior to 1.1.3, the software receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. The vulnerability is patched in version 1.1.3.

Vulnerability class: Prototype Pollution

EPSS: 0.010 (59.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Thinkjs Think-helper — versions < 1.1.3

Weakness classification (CWE)

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

Public proof-of-concept exploits

n0-traces/cve_

References

security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2021-32736?: CVE-2021-32736 is a high-severity vulnerability in Thinkjs Think-Helper, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.5/10. Published 2021-06-30.
How severe is CVE-2021-32736?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-32736 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.