CVE-2023-37559

moderate-risk
Published 2023-08-03

After successful authentication as a user in multiple Codesys products in multiple versions, specific crafted network communication requests with inconsistent content can cause the CmpAppForce component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37558

Do I need to act?

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0.08% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (16)

Hmi

Affected Vendors

Codesys

References (2)

Third Party Advisory https://cert.vde.com/en/advisories/VDE-2023-019/
Third Party Advisory https://cert.vde.com/en/advisories/VDE-2023-019/
42
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 0/34 · Minimal
Exposure 18/34 · Moderate