Authenticated service interruption via invalid-address read
Published Aug 3, 2023 · Updated Oct 11, 2024
Improper input validation in CODESYS Control runtimes before 3.5.19.20 or 4.10.0.0 allows remote authenticated users to interrupt service. CmpApp accepts crafted CODESYS protocol requests with inconsistent content and reads internally from an invalid address. A valid product login is required; successful exploitation disrupts availability, but the vendor does not specify whether the service hangs or crashes.
Summary
What happened
Improper input validation in CODESYS Control runtimes before 3.5.19.20 or 4.10.0.0 allows remote authenticated users to interrupt service. CmpApp accepts crafted CODESYS protocol requests with inconsistent content and reads internally from an invalid address. A valid product login is required; successful exploitation disrupts availability, but the vendor does not specify whether the service hangs or crashes.
The record
- CVE
- CVE-2023-37549
- Published
- Aug 3, 2023
- Updated
- Oct 11, 2024
- Vendor
- CODESYS GmbH
- Product
- CODESYS Control Runtime System Toolkit
- Classifications
- CWE-20, T0814
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Aug 3, 2023CVE publishedPublication date reported by the CVE source.
- Oct 11, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=0 <V3.5.19.20
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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