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Dell Secure Connect Gateway CVE-2026-80127

| EUVDEUVD-2026-72487 HIGH
OS Command Injection (CWE-78)
2026-09-07 dell GHSA-xghm-3xqv-ppv2
7.2
CVSS 3.1 · Vendor: dell
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain SCG admin credentials via phishing or credential theft
  2. Delivery
    Authenticate to SCG management interface over network
  3. Exploit
    Submit crafted request with OS command metacharacters
  4. Execution
    SCG passes unsanitized input to shell call
  5. Persist
    Injected commands execute as privileged OS service account
  6. Impact
    Full OS-level system compromise achieved

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization OS command sanitization, avoid shell exec
MITRE ATT&CK

2 techniques across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Requires high-privilege (admin-level) authentication to the Dell SCG management interface, confirmed by the CVSS PR:H metric. The interface must be reachable over the network (AV:N), meaning management ports exposed to untrusted networks or broad internal segments significantly increase risk. No user interaction is required (UI:N) once admin access is established. Limiting factors: attacker must first obtain valid admin credentials through a separate vector (phishing, credential theft, reuse); organizations with MFA enforced on SCG admin accounts, or with management interfaces firewalled to dedicated admin subnets, substantially reduce exploitability. The specific vulnerable endpoint or parameter is not disclosed in available data.

Impact

The CVSS 7.2 High score is consistent with the vector AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - exploitation is straightforward once admin credentials are obtained, but the PR:H prerequisite materially limits the attack surface. Real-world risk depends on how exposed SCG management interfaces are and how well admin credentials are protected; organizations that expose SCG management over wide networks or use weak/shared admin credentials face elevated risk. The 'elevation of privileges' outcome is notable: even a compromised application-level admin account can be leveraged to gain OS-root or equivalent access, making this a meaningful lateral-movement step in a multi-stage breach. No EPSS score was supplied, no POC is known, and the vulnerability is not listed in CISA KEV, collectively suggesting this is not under active mass exploitation. Priority should be highest for organizations with SCG management interfaces exposed to untrusted networks or broad internal segments. The AC:L rating confirms no special race conditions or complex pre-configuration is required beyond obtaining credentials.

Exploit ScenarioDerived

An attacker who has obtained high-privilege (admin) credentials to the Dell SCG management interface - via phishing, credential reuse, or prior compromise of an admin workstation - sends a crafted HTTP request to a vulnerable management API endpoint containing OS command metacharacters (e.g., semicolons, backticks, or pipe characters) embedded in a parameter. The SCG application passes this input unsanitized to an underlying shell call, causing the injected commands to execute as the SCG service OS user (likely a privileged system account), granting the attacker OS-level control beyond the application boundary. No public exploit code is known at time of analysis.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.9% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 07, 2026

OS command injection in Dell Secure Connect Gateway (SCG) 5.0 allows a high-privileged remote attacker to inject arbitrary OS commands through the application's management interface, achieving privilege escalation beyond the application boundary to OS-level access. Both the SCG 5.0 Appliance (prior to 5.36.00.16) and SCG 5.0 Application (prior to 5.36.00.00) are affected, confirmed by Dell advisory DSA-2026-382. No public exploit or active exploitation (CISA KEV) has been identified at time of analysis; Dell has released patched versions for both product variants.

RemediationAI

Vendor-released patches are available: upgrade Dell SCG 5.0 Appliance to version 5.36.00.16 or later, and Dell SCG 5.0 Application to version 5.36.00.00 or later, as documented in Dell advisory DSA-2026-382 (https://www.dell.com/support/kbdoc/en-in/000503426/). As an immediate compensating control before patching, restrict network access to the SCG management interface using firewall rules to permit only trusted administrator source IPs; this limits the attacker's ability to reach the vulnerable endpoint even if credentials are compromised. Additionally, enforce multi-factor authentication (MFA) on admin accounts where the SCG platform supports it, to raise the bar for credential theft. Audit SCG admin account usage for any anomalous command execution or privilege escalation events.

Affected VersionsENISA

Secure Connect Gateway 5.0 - Appliance 0 <5.36.00.16 or later
Secure Connect Gateway 5.0 - Application 0 <5.36.00.00 or later

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Dell Secure Connect Gateway 5.0 is a remote support connectivity platform deployed as either a virtual appliance or software application, used to facilitate secure communications between enterprise Dell products and Dell support infrastructure. The vulnerability is classified as CWE-78 (Improper Neutralization of Special Elements used in an OS Command), meaning one or more management-plane endpoints accept attacker-controlled input that is passed unsanitized to a system shell call (e.g., via popen(), system(), or exec()). The CPEs confirm two distinct product packages are affected: cpe:2.3:a:dell:secure_connect_gateway_5.0_-_appliance and cpe:2.3:a:dell:secure_connect_gateway_5.0_-_application, indicating the shared vulnerable code is present in both deployment form factors. The CVSS S:U (scope unchanged) vector indicates the injected commands execute within the same security context as the vulnerable component, though the described impact of privilege escalation suggests the SCG service process runs as a higher-privileged OS account than the authenticated admin role.

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Severity by source

Vendor (dell) PRIMARY 7.2 HIGH
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 7.2 HIGH

Network-accessible management interface requiring admin credentials (PR:H); injected OS commands execute with elevated OS privileges yielding full C/I/A on the vulnerable host.

3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (dell).

CVSS VectorVendor: dell

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Patch available
Sep 07, 2026 - 17:17 EUVD
CVE Published
Sep 07, 2026 - 15:59 cve.org
HIGH 7.2

DescriptionCVE.org

Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to elevation of privileges.

Executive ViewAI

Why It Matters

Dell Secure Connect Gateway 5.0 (both appliance and application forms) contains an authenticated OS command injection flaw in the management interface that allows high-privileged attackers to execute arbitrary commands at the operating system level. Compromise of SCG-a network connectivity and security appliance-could give attackers OS-level control over a critical infrastructure component and potential access to connected networks.

Business Impact: High
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.9%
Top 43% exploitable
Prevalence
Low
enterprise Dell-specific support gateway, limited deployment footprint
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.9%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact
High
Technical Impact
Total

Priority Score

37
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +36
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

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