How severe is CVE-2018-21033?

CVE-2018-21033 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-21033 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-21033?

CVE-2018-21033 primarily affects Hitachi Device Manager. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-21033?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-21033 published?

CVE-2018-21033 was published on 2020-02-14 and last updated on 2026-06-17.

CVE-2018-21033

CVE-2018-21033 is a medium-severity vulnerability in Hitachi Device Manager with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Hitachi Device Manager
Published: 2020-02-14
Last modified: 2026-06-17

Description

A vulnerability in Hitachi Command Suite prior to 8.6.2-00, Hitachi Automation Director prior to 8.6.2-00 and Hitachi Infrastructure Analytics Advisor prior to 4.2.0-00 allow authenticated remote users to load an arbitrary Cascading Style Sheets (CSS) token sequence. Hitachi Command Suite includes Hitachi Device Manager, Hitachi Tiered Storage Manager, Hitachi Replication Manager, Hitachi Tuning Manager, Hitachi Global Link Manager and Hitachi Compute Systems Manager.

Frequently asked questions

What is CVE-2018-21033?: A vulnerability in Hitachi Command Suite prior to 8.6.2-00, Hitachi Automation Director prior to 8.6.2-00 and Hitachi Infrastructure Analytics Advisor prior to 4.2.0-00 allow authenticated remote users to load an arbitrary Cascading Style Sheets (CSS) token sequence. Hitachi Command Suite includes Hitachi Device Manager, Hitachi Tiered Storage Manager, Hitachi Replication Manager, Hitachi Tuning Manager, Hitachi Global Link Manager and Hitachi Compute Systems Manager.
How severe is CVE-2018-21033?: CVE-2018-21033 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-21033 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-21033?: CVE-2018-21033 primarily affects Hitachi Device Manager. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-21033?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-21033 published?: CVE-2018-21033 was published on 2020-02-14 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:hitachi:device_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:hitachi:compute_systems_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:hitachi:automation_director:*:*:*:*:*:*:*:*
cpe:2.3:a:hitachi:tiered_storage_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:hitachi:replication_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:hitachi:tuning_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:hitachi:global_link_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:hitachi:infrastructure_analytics_advisor:*:*:*:*:*:*:*:*

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