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CVE-2024-28021

HIGH
7.4
CVSS Score
Published: June 11, 2024 at 01:30 PM UTC
Updated: June 17, 2026 at 07:20 AM UTC
2 products affected across 1 vendorUNEMFOXMAN-UN

Using FOXMAN-UN by Hitachi Energy?

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Severity
HIGH7.4
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

A vulnerability exists in the FOXMAN-UN/UNEM server that affects the message queueing mechanism’s certificate validation. If exploited an attacker could spoof a trusted entity causing a loss of confidentiality and integrity.

Affected

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

FOXMAN-UN· Hitachi Energy
95%
FOXMAN-UN R15B PC4FOXMAN-UN R16B PC2r15ar15b pc4r15bpc4r16ar16b pc2r16bpc2
Vendor states this is fixed in FOXMAN-UN R15B PC5 (unaffected)
Vendor states this is fixed in FOXMAN-UN R16B PC3 (unaffected)
UNEM· Hitachi Energy
95%
UNEM R15B PC4UNEM R16B PC2r15ar15b pc4r15bpc4r16ar16b pc2r16bpc2
Vendor states this is fixed in UNEM R15B PC5 (unaffected)
Vendor states this is fixed in UNEM R16B PC3 (unaffected)

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)

Vendor Advisory
Source: [email protected]
https://publisher.hitachienergy.com/preview?DocumentId=8DBD000194&languageCode=en&Preview=true
Vendor Advisory
Source: [email protected]
https://publisher.hitachienergy.com/preview?DocumentId=8DBD000201&languageCode=en&Preview=true

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

7.4HIGHHitachi Energy
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-295

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