codesys web server vulnerabilities and fixes

Recent CVEs affecting codesys web server, with upgrade or downgrade steps. 1 tracked.

Also searched as: codesyswebserver.

codesys web server has 1 tracked vulnerability, 1 critical. A fixed release or vendor patch exists for 1. Most recent: 2018-02-15. Highest priority: CVE-2018-5440 (score 61/100).

• CVE-2018-5440 CRITICAL 9.8 UPGRADE DOWNGRADE A Stack-based Buffer Overflow issue was discovered in 3S-Smart CODESYS Web Server

FAQ

How do I fix codesys web server vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is codesys web server being exploited right now?

None of the tracked codesys web server CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which codesys web server CVE should I patch first?

CVE-2018-5440 currently ranks highest (61/100): A Stack-based Buffer Overflow issue was discovered in 3S-Smart CODESYS Web Server.

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