CVE-2021-33449
MJS Null Pointer Dereference Vulnerability
Description
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is NULL pointer dereference in mjs_bcode_part_get_by_offset() in mjs.c.
INFO
Published Date :
July 26, 2022, 1:15 p.m.
Last Modified :
July 28, 2022, 3:25 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
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-2021-33449.
| URL | Resource |
|---|---|
| https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d | Third Party Advisory |
| https://github.com/cesanta/mjs/issues/162 | Exploit Issue Tracking 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-2021-33449 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-33449 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 -
Initial Analysis by [email protected]
Jul. 28, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d No Types Assigned https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d Third Party Advisory Changed Reference Type https://github.com/cesanta/mjs/issues/162 No Types Assigned https://github.com/cesanta/mjs/issues/162 Exploit, Issue Tracking, Third Party Advisory Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:a:cesanta:mjs:*:*:*:*:*:*:*:* versions up to (excluding) 2.20.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-33449 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-2021-33449
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.24 }} 0.12%
score
0.61726
percentile