Vulnerability Details : CVE-2021-33443
An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is stack buffer overflow in mjs_execute() in mjs.c.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-33443
- cpe:2.3:a:cesanta:mjs:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-33443
0.32%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-33443
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2021-33443
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-33443
-
https://github.com/cesanta/mjs/issues/167
AddressSanitizer: stack-buffer-overflow in mjs_execute mjs.c:9650 · Issue #167 · cesanta/mjs · GitHubExploit;Issue Tracking;Patch;Third Party Advisory
-
https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d
Minimum information for the vulnerability covered by 32 CVEs. · GitHubThird Party Advisory
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