7.5
HIGH
CVE-2021-46462
NGINX njs Segmentation Violation
Description

njs through 0.7.1, used in NGINX, was discovered to contain a segmentation violation via njs_object_set_prototype in /src/njs_object.c.

INFO

Published Date :

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

Last Modified :

March 24, 2022, 2:33 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-46462 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
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-2021-46462.

URL Resource
https://github.com/nginx/njs/commit/39e8fa1b7db1680654527f8fa0e9ee93b334ecba Patch Vendor Advisory
https://github.com/nginx/njs/issues/449 Exploit Issue Tracking Patch 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-2021-46462 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-46462 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 [email protected]

    May. 14, 2024

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

    Mar. 24, 2022

    Action Type Old Value New Value
    Changed Reference Type https://github.com/nginx/njs/issues/449 Exploit, Third Party Advisory https://github.com/nginx/njs/issues/449 Exploit, Issue Tracking, Patch, Third Party Advisory
    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
    Changed CPE Configuration OR *cpe:2.3:a:nginx:njs:*:*:*:*:*:*:*:* versions up to (including) 0.7.1 OR *cpe:2.3:a:f5:njs:*:*:*:*:*:*:*:* versions up to (including) 0.7.1
  • 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:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/nginx/njs/commit/39e8fa1b7db1680654527f8fa0e9ee93b334ecba No Types Assigned https://github.com/nginx/njs/commit/39e8fa1b7db1680654527f8fa0e9ee93b334ecba Patch, Vendor Advisory
    Changed Reference Type https://github.com/nginx/njs/issues/449 No Types Assigned https://github.com/nginx/njs/issues/449 Exploit, Third Party Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:nginx:njs:*:*:*:*:*:*:*:* versions up to (including) 0.7.1
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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-46462 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-46462 weaknesses.

Exploit Prediction

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

0.21 }} 0.03%

score

0.59355

percentile

CVSS31 - Vulnerability Scoring System
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