IM
IronMonkey Threat Research

CVE-2021-21869 HIGH

Published: 2021-08-25 | Last Modified: 2024-11-21 | Status: Modified

Description

An unsafe deserialization vulnerability exists in the Engine.plugin ProfileInformation ProfileData functionality of CODESYS GmbH CODESYS Development System 3.5.16 and 3.5.17. A specially crafted file can lead to arbitrary command execution. An attacker can provide a malicious file to trigger this vulnerability.

Additional Descriptions (1)

Se presenta una vulnerabilidad de deserialización no segura en la funcionalidad Engine.plugin ProfileInformation ProfileData de CODESYS GmbH CODESYS Development System versiones 3.5.16 y 3.5.17. Un archivo especialmente diseñado puede conllevar a una ejecución arbitraria de comandos. Un atacante puede proporcionar un archivo malicioso para desencadenar esta vulnerabilidad.

CVSS Metrics

Base Score: 7.8 (HIGH)

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

Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactHIGH
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 1.8

Impact Score: 5.9

Base Score: 6.8 (MEDIUM)

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access VectorNETWORK
Access ComplexityMEDIUM
AuthenticationNONE
Confidentiality ImpactPARTIAL
Integrity ImpactPARTIAL
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 8.6

Impact Score: 6.4

Weaknesses

Source Type Description
[email protected] Secondary
en CWE-502
[email protected] Primary
en CWE-502

Affected Products

Vendor Product Version Update Type
codesys codesys 3.5.16.0 <built-in method update of dict object at 0x7e6111c1d240> Application
codesys codesys 3.5.17.0 <built-in method update of dict object at 0x7e60a8894340> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:codesys:codesys:3.5.16.0:*:*:*:*:*:*:*
Yes cpe:2.3:a:codesys:codesys:3.5.17.0:*:*:*:*:*:*:*
Notification
Message here