CVE-2021-46463

Public Exploit

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().

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.43%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory netapp.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/nginx/njs/issues/447 issue tracking patch exploit third party advisory
https://github.com/nginx/njs/commit/6a40a85ff239497c6458c7dbef18f6a2736fe992 third party advisory patch
https://security.netapp.com/advisory/ntap-20220303-0007/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-46463?
CVE-2021-46463 has been scored as a critical severity vulnerability.
How to fix CVE-2021-46463?
To fix CVE-2021-46463, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-46463 being actively exploited in the wild?
It is possible that CVE-2021-46463 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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