c1 cms vulnerabilities and fixes

Recent CVEs affecting c1 cms, with upgrade or downgrade steps. 3 tracked.

Also searched as: c1cms.

c1 cms has 3 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 2. Most recent: 2022-09-27. Highest priority: CVE-2021-34992 (score 54/100).

• CVE-2022-39256 CRITICAL 9.0 UPGRADE Orckestra C1 CMS is a .NET based Web Content Management System
• CVE-2022-24789 HIGH 7.6 UPGRADE C1 CMS is an open-source, .NET based Content Management System (CMS)
• CVE-2021-34992 HIGH 8.8 DOWNGRADE This vulnerability allows remote attackers to execute arbitrary code on affected installations of Orckestra C1

FAQ

How do I fix c1 cms 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 c1 cms being exploited right now?

None of the tracked c1 cms CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which c1 cms CVE should I patch first?

CVE-2021-34992 currently ranks highest (54/100): This vulnerability allows remote attackers to execute arbitrary code on affected installations of Orckestra C1.

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