9.8
CRITICAL
CVE-2021-46461
NGINX njs Out-of-Bounds Array Access Vulnerability
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.

INFO

Published Date :

Feb. 14, 2022, 10:15 p.m.

Last Modified :

Nov. 21, 2024, 6:34 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-46461 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 F5 njs
1 Nginx njs
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-46461.

URL Resource
https://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2 Patch Vendor Advisory
https://github.com/nginx/njs/issues/450 Exploit Third Party Advisory
https://security.netapp.com/advisory/ntap-20220303-0007/ Third Party Advisory
https://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2 Patch Vendor Advisory
https://github.com/nginx/njs/issues/450 Exploit Third Party Advisory
https://security.netapp.com/advisory/ntap-20220303-0007/ Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-46461 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-46461 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2
    Added Reference https://github.com/nginx/njs/issues/450
    Added Reference https://security.netapp.com/advisory/ntap-20220303-0007/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    May. 11, 2022

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20220303-0007/ No Types Assigned https://security.netapp.com/advisory/ntap-20220303-0007/ Third Party Advisory
  • CVE Modified by [email protected]

    Mar. 03, 2022

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20220303-0007/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 22, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2 No Types Assigned https://github.com/nginx/njs/commit/d457c9545e7e71ebb5c0479eb16b9d33175855e2 Patch, Vendor Advisory
    Changed Reference Type https://github.com/nginx/njs/issues/450 No Types Assigned https://github.com/nginx/njs/issues/450 Exploit, Third Party Advisory
    Added CWE NIST CWE-119
    Added CPE Configuration OR *cpe:2.3:a:nginx:njs:*:*:*:*:*:*:*:* versions up to (including) 0.7.0
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.62 }} 0.18%

score

0.78724

percentile

CVSS31 - Vulnerability Scoring System
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