// For flags

CVE-2021-30636

 

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

In MediaTek LinkIt SDK before 4.6.1, there is a possible memory corruption due to an integer overflow during mishandled memory allocation by pvPortCalloc and pvPortRealloc.

En MediaTek LinkIt SDK versiones anteriores a 4.6.1, se presenta una posible corrupción de memoria debido a un desbordamiento de enteros durante la asignación de memoria manejada inapropiadamente por pvPortCalloc y pvPortRealloc

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-04-13 CVE Reserved
  • 2022-01-24 CVE Published
  • 2024-08-03 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-190: Integer Overflow or Wraparound
CAPEC
References (1)
URL Tag Source
https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04 Mitigation
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mediatek
Search vendor "Mediatek"
 Linkit Software Development Kit
Search vendor "Mediatek" for product "Linkit Software Development Kit"
 < 4.6.1
Search vendor "Mediatek" for product "Linkit Software Development Kit" and version " < 4.6.1"
-
Affected