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web server vulnerabilities and fixes

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

Also searched as: webserver.

web server has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-03-30. Highest priority: CVE-2018-25235 (score 30/100).

FAQ

How do I fix 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 web server being exploited right now?

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

Which web server CVE should I patch first?

CVE-2018-25235 currently ranks highest (30/100): NetworkActiv Web Server 4.0 contains a buffer overflow vulnerability in the username field of the Security opt.

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