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A unsafe deserialization vulnerability exists in the...

High severity Unreviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Jan 30, 2023

Package

No package listedSuggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

A unsafe deserialization vulnerability exists in the ObjectManager.plugin ObjectStream.ProfileByteArray 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.

References

Published by the National Vulnerability Database Aug 18, 2021
Published to the GitHub Advisory Database May 24, 2022
Last updated Jan 30, 2023

Severity

High
7.8
/ 10

CVSS base metrics

Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2021-21867

GHSA ID

GHSA-847p-f9h7-f5x2

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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