Microsoft Microsoft Exchange Server 2013 Cumulative Update 22

4 published vulnerabilities name this product.

As the CNAs write it in their CVE records (vendor and product); the versions are theirs.

CVEVulnerable versionsTitleSeverityPublishedEPSSExploitation
CVE-2021-2706515.00.0 – < 15.00.1473.006Microsoft Exchange Server Remote Code Execution VulnerabilityHIGH 7.8100 %KEV
CVE-2021-2685815.00.0 – < 15.00.1473.006Microsoft Exchange Server Remote Code Execution VulnerabilityHIGH 7.894 %KEV
CVE-2021-2685715.00.0 – < 15.00.1473.006Microsoft Exchange Server Remote Code Execution VulnerabilityHIGH 7.896 %KEV
CVE-2021-2685515.00.0 – < 15.00.1473.006Microsoft Exchange Server Remote Code Execution VulnerabilityCRITICAL 9.8100 %KEV