// For flags

CVE-2021-33439

 

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is Integer overflow in gc_compact_strings() in mjs.c.

Se ha detectado un problema en mjs (mJS: motor de JavaScript restringido), ES6 (versión 6 de JavaScript). Se presenta un desbordamiento de enteros en la función gc_compact_strings() en el archivo mjs.c.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-05-20 CVE Reserved
  • 2022-07-26 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • 2024-10-02 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-190: Integer Overflow or Wraparound
  • CWE-476: NULL Pointer Dereference
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cesanta
Search vendor "Cesanta"
 Mjs
Search vendor "Cesanta" for product "Mjs"
 < 2.20.0
Search vendor "Cesanta" for product "Mjs" and version " < 2.20.0"
-
Affected