CVE-2021-21869
HIGH
7.8
CVSS Score
Published: August 25, 2021 at 06:16 PM UTC
Updated: June 17, 2026 at 03:36 AM UTC
1 product affected across 1 vendorCODESYS
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Severity
HIGH7.8
Exploit prediction
EPSS 2%
Description
An unsafe deserialization vulnerability exists in the Engine.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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
x_refsource_MISCx_refsource_CONFIRMMitigationPatchThird Party Advisory
Source: [email protected]
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16805&token=ee583c498941d9fda86490bca98ff21928eec08a&download=x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1306CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-502
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