CVE-2021-33441

low-risk
Published 2022-07-26

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

Do I need to act?

-
0.05% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Mjs

Affected Vendors

Cesanta

References (4)

Third Party Advisory https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d
Exploit https://github.com/cesanta/mjs/issues/165
Third Party Advisory https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d
Exploit https://github.com/cesanta/mjs/issues/165
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal