CVE-2025-22398: Dell Unity Operating Environment command injection (CVSS 9.8)

Description

Dell Unity, version(s) 5.4 and prior, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to arbitrary command execution as root. Exploitation may lead to a system take over by an attacker. This vulnerability is considered critical as it can be leveraged to completely compromise the operating system. Dell recommends customers to upgrade at the earliest opportunity.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected products

Dell Unity Operating Environment< 5.5.0.0.5.259

Remediation

Fixed in

Dell Unity Operating Environment≥ 5.5.0.0.5.259

Patch & vendor advisories

https://www.dell.com/support/kbdoc/en-us/000300090/dsa-2025-116-security-update-for-dell-unity-dell-unityvsa-and-dell-unity-xt-security-update-for-multiple-vulnerabilities

References

https://www.dell.com/support/kbdoc/en-us/000300090/dsa-2025-116-security-update-for-dell-unity-dell-unityvsa-and-dell-unity-xt-security-update-for-multiple-vulnerabilitiesVendor Advisory

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2025-22398 being actively exploited?

CVE-2025-22398 is not in the CISA KEV catalog. Its EPSS exploit probability is 2.02%.

How severe is CVE-2025-22398?

CVE-2025-22398 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 2.02% probability of exploitation.

Which products are affected by CVE-2025-22398?

Affected products include Dell Unity Operating Environment.

How do I fix CVE-2025-22398?

Upgrade affected software to a fixed version, for example Dell Unity Operating Environment 5.5.0.0.5.259 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-22398 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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