QwikSec

Security Database

CVE

CWE

Training

CVE Database
/

CVE-2021-34595

Back to search

CVE-2021-34595

Published: Oct 26, 2021

Modified: Sep 17, 2024

PUBLISHED

CVSS v3.1

8.1

HIGH

Description

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.

VendorProductVersions

CODESYS

CODESYS V2

affected
Runtime Toolkit 32 bit full - < V2.4.7.56
affected
PLCWinNT - < V2.4.7.56

Weaknesses (CWE)

CWE-823

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

References

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now