CVE-2021-46463
9.8
CRITICAL
CVSS 3.1
EPSS 0.43%
Description
njs through 0.7.1, used in NGINX, was discovered to contain a control flow hijack caused by a Type Confusion vulnerability in njs_promise_perform_then().
How to fix CVE-2021-46463
To remediate CVE-2021-46463, upgrade the affected package to a fixed version below.
- Alpine/nginx—upgrade to 1.20.2-r2 or later
Is CVE-2021-46463 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.20.2-r2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |