CVE-2025-43939: Dell Unity, version(s) 5.4 and prior, contain(s) an Improper Neutralization of Special Elements used in an OS Command…
CVE-2025-43939 · Severity: high · CVSS 7.8 · Published 2025-10-30
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. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Command execution and Elevation of privileges.
No. Junglewise Threat Intelligence has no report of CVE-2025-43939 being exploited in the wild.
How severe is CVE-2025-43939?
High severity, with a CVSS score of 7.8, published 30 October 2025.
Which products and versions are affected?
Dell Unity Operating Environment. The advisory does not name versions.
Is there a fix for CVE-2025-43939?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-43939?
Check whether you run Dell Unity Operating Environment. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.