CVE-2021-21865

A unsafe deserialization vulnerability exists in the PackageManagement.plugin ExtensionMethods.Clone() functionality of CODESYS GmbH CODESYS Development System 3.5.16. A specially crafted file can lead to arbitrary command execution. An attacker can provide a malicious file to trigger this vulnerability.

CVSS v3.0 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1301	Not Applicable Third Party Advisory
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16805&token=ee583c498941d9fda86490bca98ff21928eec08a&download=	Mitigation Patch Vendor Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:codesys:development_system:3.5.16.0:::::::*
	cpe:2.3:a:codesys:development_system:3.5.17.0:::::::*

Information

Published : 2021-08-02 14:15

Updated : 2022-09-02 20:27

NVD link : CVE-2021-21865

Mitre link : CVE-2021-21865

JSON object : View

CWE

CWE-502

Deserialization of Untrusted Data

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Products Affected

codesys

development_system

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