CVE-2021-28052

Name: CVE-2021-28052
Creator: NVD / NIST
Published: 2022-09-26T16:15:10.807+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 0.66%

Last modified Jun 17, 2026

CVE-2021-28052 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. A tenant administrator Hitachi Content Platform (HCP) may modify the configuration in another tenant without authorization, potentially allowing unauthorized access to data in the other tenant. Also, a tenant user (non-administrator) may view configuration in another tenant without authorization. EPSS estimates a 0.66% chance of exploitation in the next 30 days.

Description

A tenant administrator Hitachi Content Platform (HCP) may modify the configuration in another tenant without authorization, potentially allowing unauthorized access to data in the other tenant. Also, a tenant user (non-administrator) may view configuration in another tenant without authorization. This issue affects: Hitachi Vantara Hitachi Content Platform versions prior to 8.3.7; 9.0.0 versions prior to 9.2.3.

Metrics

CVSS 3.1

4.9/10

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

EPSS Probability

0.66%

47.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Hitach	Vantara	< 8.3.7
Hitach	Vantara	>= 9.0.0, < 9.2.3

References

https://knowledge.hitachivantara.com/Security/HCP_Multitenancy_VulnerabilityVendor Advisory
https://www.hitachi.com/hirt/hitachi-sec/2021/604.htmlVendor Advisory
https://knowledge.hitachivantara.com/Security/HCP_Multitenancy_VulnerabilityVendor Advisory
https://www.hitachi.com/hirt/hitachi-sec/2021/604.htmlVendor Advisory

Timeline

Published: Sep 26, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-28052?

How severe is CVE-2021-28052?

CVE-2021-28052 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.

How do I fix CVE-2021-28052?

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-2021-28052?

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

Scan your code now

Source: NVD / NIST