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CVE-2021-28052

Hitachi Content Platform Information Disclosure Vulnerability

MEDIUM
4.9
CVSS Score
Published: September 26, 2022 at 03:10 PM UTC
Updated: June 17, 2026 at 03:45 AM UTC
2 products affected across 2 vendorsVantaraVantara

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Severity
MEDIUM4.9
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vantara· Hitach
95%
v < 8.3.79.0.0 ≤ v < 9.2.3
Affected range stops below 8.3.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.2.3, so it looks safe — our inference, not a vendor statement
Vantara· Hitachivantara
60%
v < 8.3.79.0.0 ≤ v < 9.2.39.0.0
Affected range stops below 8.3.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.2.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://knowledge.hitachivantara.com/Security/HCP_Multitenancy_Vulnerability
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.hitachi.com/hirt/hitachi-sec/2021/604.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.9MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-264CWE-862

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