// For flags

CVE-2021-30186

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.

CODESYS V2 runtime system SP versiones anteriores a 2.4.7.55, presenta un Desbordamiento del Búfer en la región Heap de la memoria

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-04-07 CVE Reserved
  • 2021-05-25 CVE Published
  • 2024-02-08 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Codesys
Search vendor "Codesys"
 Plcwinnt
Search vendor "Codesys" for product "Plcwinnt"
 < 2.4.7.55
Search vendor "Codesys" for product "Plcwinnt" and version " < 2.4.7.55"
-
Affected
Codesys
Search vendor "Codesys"
 Runtime Toolkit
Search vendor "Codesys" for product "Runtime Toolkit"
 < 2.4.7.55
Search vendor "Codesys" for product "Runtime Toolkit" and version " < 2.4.7.55"
x86
Affected