CVE-2021-34596

A crafted request may cause a read access to an uninitialized pointer in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.0 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16878&token=e5644ec405590e66aefa62304cb8632df9fc9e9c&download=	Vendor Advisory
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16878&token=e5644ec405590e66aefa62304cb8632df9fc9e9c&download=	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

21 Nov 2024, 06:10

Type	Values Removed	Values Added
References	~~() https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16878&token=e5644ec405590e66aefa62304cb8632df9fc9e9c&download= - Vendor Advisory~~	() https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16878&token=e5644ec405590e66aefa62304cb8632df9fc9e9c&download= - Vendor Advisory

Information

Published : 2021-10-26 10:15

Updated : 2024-11-21 06:10

NVD link : CVE-2021-34596

Mitre link : CVE-2021-34596

CVE.ORG link : CVE-2021-34596

JSON object : View

Products Affected

codesys

plcwinnt
runtime_toolkit

CWE

CWE-824

Access of Uninitialized Pointer

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