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Critical severity · published Aug 4, 2025
CVE-2025-36604
Dell Unity, version(s) 5.5 and prior, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability
9.8
CVSS
66.6%
EPSS
No
On KEV
Description
Dell Unity, version(s) 5.5 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)66.6% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UO
Unity Operating Environment · Dell
before 5.5.1.0 · source: NVD
Affected product
UO
Unity Operating Environment
Dell
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-36604
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-36604
Vendor Advisory
https://www.dell.com/support/kbdoc/en-si/000350756/dsa-2025-281-security-update-for-dell-unity-dell-unityvsa-and-dell-unity-xt-security-update-for-multiple-vulnerabilities
github.com
https://github.com/watchtowrlabs/watchTowr-vs-Dell-UnityVSA-PreAuth-CVE-2025-36604
labs.watchtowr.com
https://labs.watchtowr.com/its-never-simple-until-it-is-dell-unityvsa-pre-auth-command-injection-cve-2025-36604/
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