CVE-2021-46463
CRITICALCVSS 9.8/10EPSS 1.64%
Last modified
CVE-2021-46463 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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().. EPSS estimates a 1.64% chance of exploitation in the next 30 days.
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().
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Njs | <= 0.7.1 |
References
- https://github.com/nginx/njs/commit/6a40a85ff239497c6458c7dbef18f6a2736fe992Patch, Third Party Advisory
- https://github.com/nginx/njs/issues/447Exploit, Issue Tracking, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220303-0007/Third Party Advisory
- https://github.com/nginx/njs/commit/6a40a85ff239497c6458c7dbef18f6a2736fe992Patch, Third Party Advisory
- https://github.com/nginx/njs/issues/447Exploit, Issue Tracking, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220303-0007/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-46463?
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 severe is CVE-2021-46463?
CVE-2021-46463 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.64% probability of exploitation in the next 30 days.
How do I fix CVE-2021-46463?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-46463?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST