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CVE-2024-8175: CODESYS: web server vulnerable to DoS

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-09-25 · updated 2026-06-17
• Weakness: CWE-754

Description

An unauthenticated remote attacker can causes the CODESYS web server to access invalid memory which results in a DoS.

Affected products

• CODESYS Control for BeagleBone SL: before 4.14.0.0 — fixed in 4.14.0.0
• CODESYS Control Rte (For Beckhoff Cx) Sl: before 3.5.20.30 — fixed in 3.5.20.30
• CODESYS Control RTE (SL): before 3.5.20.30 — fixed in 3.5.20.30
• CODESYS Virtual Control SL: before 4.14.0.0 — fixed in 4.14.0.0

How to fix

Upgrade to a fixed version: CODESYS Control for BeagleBone SL 4.14.0.0; CODESYS Control Rte (For Beckhoff Cx) Sl 3.5.20.30; CODESYS Control RTE (SL) 3.5.20.30; CODESYS Virtual Control SL 4.14.0.0. Check the vendor advisory for mitigations.

References

• https://cert.vde.com/en/advisories/VDE-2024-057
• https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=18604&token=d5e1e2820ee63077b875b3bb41014b1f102e88a3&download=

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