What is CVE-2021-23568?

CVE-2021-23568 is a high-severity vulnerability in Eggjs Extend2, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.3/10. Published 2022-01-10.

How severe is CVE-2021-23568?

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

Prototype Pollution in Eggjs Extend2

CVE-2021-23568

The package extend2 before 1.0.1 are vulnerable to Prototype Pollution via the extend function due to unsafe recursive merge.

Vulnerability class: Prototype Pollution

EPSS: 0.015 (70.7th 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

Eggjs Extend2
N/a Extend2 — 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)
report@snyk.io (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2021-23568?: CVE-2021-23568 is a high-severity vulnerability in Eggjs Extend2, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.3/10. Published 2022-01-10.
How severe is CVE-2021-23568?: High severity. CVSS v3 base score is 7.3 out of 10.