CVE-2021-46461
CRITICALCVSS 9.8/10EPSS 3.07%
Last modified
CVE-2021-46461 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 3.07% chance of exploitation in the next 30 days.
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.
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 |
|---|---|---|
| Nginx | Njs | <= 0.7.0 |
References
- https://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2Patch, Vendor Advisory
- https://github.com/nginx/njs/issues/450Exploit, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220303-0007/Third Party Advisory
- https://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2Patch, Vendor Advisory
- https://github.com/nginx/njs/issues/450Exploit, 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-2021-46461?
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.
How severe is CVE-2021-46461?
CVE-2021-46461 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.07% probability of exploitation in the next 30 days.
How do I fix CVE-2021-46461?
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-2021-46461?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST