Skip to main content
CRITICAL

CVE-2021-46461

CVSS v3

9.8

CRITICAL

EPSS Score

3.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

njs through 0.7.0, used in NGINX, was discovered to contain an out-of-bounds array access via njs_vmcode_typeof in /src/njs_vmcode.c.

Technical details

Published
2022-02-14

Frequently asked questions

What is CVE-2021-46461?

njs through 0.7.0, used in NGINX, was discovered to contain an out-of-bounds array access via njs_vmcode_typeof in /src/njs_vmcode.c.

Is CVE-2021-46461 actively exploited?

Active exploitation of CVE-2021-46461 has not been confirmed. Its EPSS score was 3.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-46461?

CVE-2021-46461 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-46461 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

No credit card required · 500 free checks/month · Free API key