IM
IronMonkey Threat Research

CVE-2021-21863 HIGH

Published: 2021-08-05 | Last Modified: 2024-11-21 | Status: Modified

Description

A unsafe deserialization vulnerability exists in the ComponentModel Profile.FromFile() 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 insegura en la funcionalidad ComponentModel Profile.FromFile() 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 development_system 3.5.16.0 <built-in method update of dict object at 0x7e60bafaf000> Application
codesys development_system 3.5.17.0 <built-in method update of dict object at 0x7e6111c1c9c0> Application

Affected Configurations

Operator: OR

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