What is CVE-2021-23561?

CVE-2021-23561 is a medium-severity vulnerability in C2fo Comb, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 6.5/10. Published 2021-12-10.

How severe is CVE-2021-23561?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Prototype Pollution in C2fo Comb

CVE-2021-23561

All versions of package comb are vulnerable to Prototype Pollution via the deepMerge() function.

Vulnerability class: Prototype Pollution

EPSS: 0.012 (64.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

C2fo Comb
N/a Comb — versions 0

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, Mitigation)

Frequently asked questions

What is CVE-2021-23561?: CVE-2021-23561 is a medium-severity vulnerability in C2fo Comb, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 6.5/10. Published 2021-12-10.
How severe is CVE-2021-23561?: Medium severity. CVSS v3 base score is 6.5 out of 10.