PT-2021-7768 · 3S Smart Software Solutions · Codesys Development System
Patrick Desantis
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Published
2021-08-02
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Updated
2022-09-30
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CVE-2021-21866
CVSS v3.1
8.8
High
| Vector | AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
CODESYS Development System versions 3.5.16 through 3.5.17
Description
A unsafe deserialization vulnerability exists in the ObjectManager.plugin ProfileInformation.ProfileData functionality. This vulnerability can be triggered by a specially crafted file, leading to arbitrary command execution. An attacker can provide a malicious file to exploit this issue.
Recommendations
For versions 3.5.16 and 3.5.17, consider disabling the ObjectManager.plugin ProfileInformation.ProfileData functionality until a patch is available to prevent exploitation. Restrict access to the vulnerable functionality to minimize the risk of arbitrary command execution. Avoid using specially crafted files that can trigger this vulnerability. At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Deserialization of Untrusted Data
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Weakness Enumeration
Related Identifiers
Affected Products
Codesys Development System