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?
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