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CVE-2021-34585

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CVE-2021-34585

Published: Oct 26, 2021

Modified: Sep 16, 2024

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests can trigger a parser error. Since the parser result is not checked under all conditions, a pointer dereference with an invalid address can occur. This leads to a denial of service situation.

VendorProductVersions

CODESYS

CODESYS V2

affected
all web servers - < V1.1.9.22

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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