CVE-2021-28124: Cohesity Dataplatform

Medium severity, CVSS 5.9. EPSS: 1% chance of exploitation in the next 30 days.

A man-in-the-middle vulnerability in Cohesity DataPlatform support channel in version 6.3 up to 6.3.1g, 6.4 up to 6.4.1c and 6.5.1 through 6.5.1b. Missing server authentication in impacted versions can allow an attacker to Man-in-the-middle (MITM) support channel UI session to Cohesity DataPlatform cluster.

Affected products

• Cohesity Cohesity Dataplatform: from 6.3, up to and including 6.3.1g; from 6.4, up to and including 6.4.1c; from 6.5.1, up to and including 6.5.1b

Published 2021-04-02. Last modified 2026-06-17.