CVE-2021-30186

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

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://customers.codesys.com/index.php	Permissions Required Vendor Advisory
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14725&token=08691519ef764b252630759eff925890176ecd78&download=	Vendor Advisory
https://customers.codesys.com/index.php	Permissions Required Vendor Advisory
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14725&token=08691519ef764b252630759eff925890176ecd78&download=	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:codesys:plcwinnt::::::::
	cpe:2.3:a:codesys:runtime_toolkit:::::::x86:*

History

No history.

Information

Published : 2021-05-25 13:15

Updated : 2024-11-21 06:03

NVD link : CVE-2021-30186

Mitre link : CVE-2021-30186

CVE.ORG link : CVE-2021-30186

JSON object : View

Products Affected

codesys

plcwinnt
runtime_toolkit

CWE

CWE-787

Out-of-bounds Write

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