How severe is CVE-2022-31794?

CVE-2022-31794 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-31794 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-31794?

CVE-2022-31794 primarily affects Fujitsu Eternus Cs8000 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-31794?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-31794 published?

CVE-2022-31794 was published on 2022-06-20 and last updated on 2026-06-17.

CVE-2022-31794

CVE-2022-31794 is a critical-severity vulnerability in Fujitsu Eternus Cs8000 Firmware with a CVSS 3.x base score of 9.8. 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Fujitsu Eternus Cs8000 Firmware
Published: 2022-06-20
Last modified: 2026-06-17

Description

An issue was discovered on Fujitsu ETERNUS CentricStor CS8000 (Control Center) devices before 8.1A SP02 P04. The vulnerability resides in the requestTempFile function in hw_view.php. An attacker is able to influence the unitName POST parameter and inject special characters such as semicolons, backticks, or command-substitution sequences in order to force the application to execute arbitrary commands.

Frequently asked questions

What is CVE-2022-31794?: An issue was discovered on Fujitsu ETERNUS CentricStor CS8000 (Control Center) devices before 8.1A SP02 P04. The vulnerability resides in the requestTempFile function in hw_view.php. An attacker is able to influence the unitName POST parameter and inject special characters such as semicolons, backticks, or command-substitution sequences in order to force the application to execute arbitrary commands.
How severe is CVE-2022-31794?: CVE-2022-31794 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-31794 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-31794?: CVE-2022-31794 primarily affects Fujitsu Eternus Cs8000 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-31794?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-31794 published?: CVE-2022-31794 was published on 2022-06-20 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:fujitsu:eternus_cs8000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fujitsu:eternus_cs8000_firmware:8.1:-:*:*:*:*:*:*

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