CVE-2021-34595 - OpenCVE

A crafted request with invalid offsets may cause an out-of-bounds read or write access in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition or local memory overwrite.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact Partial

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

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Codesys	Plcwinnt Runtime Toolkit

Configuration 1 [-]

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

No data.

References

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

History

No history.

MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published: 2021-10-26T09:55:52.868387Z

Updated: 2024-09-17T03:42:53.986Z

Reserved: 2021-06-10T00:00:00

Link: CVE-2021-34595

Vulnrichment

No data.

NVD

Status : Analyzed

Published: 2021-10-26T10:15:08.070

Modified: 2022-10-24T16:05:55.700

Link: CVE-2021-34595

Redhat

No data.

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