CVE-2021-28124

Name: CVE-2021-28124
Creator: NVD / NIST
Published: 2021-04-02T15:15:13.317+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 1.01%

Last modified Jun 17, 2026

CVE-2021-28124 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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.. EPSS estimates a 1.01% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.01%

58.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Cohesity	Cohesity Dataplatform	>= 6.3, <= 6.3.1g
Cohesity	Cohesity Dataplatform	>= 6.4, <= 6.4.1c
Cohesity	Cohesity Dataplatform	>= 6.5.1, <= 6.5.1b

References

https://github.com/cohesity/SecAdvisory/blob/master/CVE-2021-28124.mdThird Party Advisory
https://github.com/cohesity/SecAdvisory/blob/master/CVE-2021-28124.mdThird Party Advisory

Timeline

Published: Apr 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-28124?

How severe is CVE-2021-28124?

CVE-2021-28124 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.

How do I fix CVE-2021-28124?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-28124?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST