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VULNERABILITIES

CVE-2021-33445 Details

Description

An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is NULL pointer dereference in mjs_string_char_code_at() in mjs.c.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d CVEThird Party Advisory
https://github.com/cesanta/mjs/issues/169 CVEExploitIssue TrackingPatchThird Party Advisory
https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d [email protected]Third Party Advisory
https://github.com/cesanta/mjs/issues/169 [email protected]ExploitIssue TrackingPatchThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-476NULL Pointer Dereference[email protected]

Affected Products

ProductVersions
cesanta mjs
< 2.20.0

CPE

  • cpe:2.3:a:cesanta:mjs:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-33445
NVD Published Date:
Jul 26, 2022
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-33445 Details - Not Deferred