Dell Unity up to 5.5.1 os command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Dell Unity up to 5.5.1. This impacts an unknown function. The manipulation leads to os command injection. This vulnerability is documented as CVE-2025-43940. The attack needs to be performed locally. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Dell Unity up to 5.5.1. This issue affects some unknown processing. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Command execution and Elevation of privileges.

The weakness was released with Ubisectech Sirius Team as dsa-2025-379. The advisory is shared at dell.com. The identification of this vulnerability is CVE-2025-43940 since 04/20/2025. The exploitation is known to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/31/2025). MITRE ATT&CK project uses the attack technique T1202 for this issue.

Upgrading to version 5.5.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-2457). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Dell EMC Unity

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (dell): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Unity 5.5.2

Timelineinfo

04/20/2025 CVE reserved
10/30/2025 +193 days Advisory disclosed
10/30/2025 +0 days VulDB entry created
10/31/2025 +1 days VulDB entry last update

Sourcesinfo

Vendor: dell.com

Advisory: dsa-2025-379
Organization: Ubisectech Sirius Team
Status: Confirmed

CVE: CVE-2025-43940 (🔒)
GCVE (CVE): GCVE-0-2025-43940
GCVE (VulDB): GCVE-100-330581
CERT Bund: WID-SEC-2025-2457 - Dell EMC Unity: Mehrere Schwachstellen

Entryinfo

Created: 10/30/2025 16:09
Updated: 10/31/2025 12:34
Changes: 10/30/2025 16:09 (65), 10/31/2025 12:34 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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