CVE-2021-34585

Published Oct 26, 2021

Last updated a year ago

Overview

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.
Source
info@cert.vde.com
NVD status
Analyzed
Products
750-823_firmware, 750-829_firmware, 750-831_firmware, 750-832_firmware, 750-852_firmware, 750-862_firmware, 750-880_firmware, 750-881_firmware, 750-882_firmware, 750-885_firmware, 750-889_firmware, 750-890_firmware, 750-891_firmware, 750-893_firmware, 750-8202_firmware, 750-8203_firmware, 750-8204_firmware, 750-8206_firmware, 750-8207_firmware, 750-8208_firmware, 750-8210_firmware, 750-8211_firmware, 750-8212_firmware, 750-8213_firmware, 750-8214_firmware, 750-8216_firmware, 750-8217_firmware, codesys

Risk scores

CVSS 3.1

Type
Secondary
Base score
7.5
Impact score
3.6
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
5
Impact score
2.9
Exploitability score
10
Vector string
AV:N/AC:L/Au:N/C:N/I:N/A:P

Weaknesses

info@cert.vde.com
CWE-252

Social media

Hype score
Not currently trending

Configurations