CVE-2021-21866

Published: Aug 2, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-502

7.8HIGH

NVD MITRE

Description

A unsafe deserialization vulnerability exists in the ObjectManager.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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:RUser Interaction

Required

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-502

Affected Products

Schneider Electric

commercial·FRaka schneider-electric

EcoStruxure Machine Expert

commercial·DEaka codesys

CODESYS Development System

ICS / OT / IoT

codesys

oss-project·DEaka codesys gmbh

development system

ICS / OT / IoT

and 1 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

Official Patch Available

Workaround Available

Is your org exposed to CVE-2021-21866?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

3 techniques

Execution

Initial Access

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References

https://customers.codesys.com/index.phpeID=dumpFile&t=f&f=16805&token=ee583c498941d9fda86490bca98ff21928eec08a&download=

customers.codesys.com

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1303

talosintelligence.com

https://www.se.com/ae/en/download/document/SEVD-2022-011-06/

se.com

and 232 more references View all →

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