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Dell Secure Connect Gateway CVE-2026-79952

| EUVDEUVD-2026-75013 MEDIUM
Improper Encoding or Escaping of Output (CWE-116)
2026-09-09 dell GHSA-2659-6w72-6q3p
Information Disclosure Dell Secure Connect Gateway 5 0 Appliance Secure Connect Gateway 5 0 Application
5.3
CVSS 3.1 · Vendor: dell
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Severity by source

Vendor (dell) PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
vuln.today AI
5.4 MEDIUM

Phishing requires victim interaction (UI:R) and affects content integrity (I:L); no authentication required per PR:N, no availability impact.

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

Primary rating from Vendor (dell).

CVSS VectorVendor: dell

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

Lifecycle Timeline

2
Analysis Generated
Sep 09, 2026 - 14:55 vuln.today
Patch available
Sep 09, 2026 - 14:19 EUVD

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 Encoding or Escaping of Output vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to launch of phishing attacks.

AnalysisAI

Improper output encoding in Dell Secure Connect Gateway (SCG) 5.0 - both the Appliance (prior to 5.36.00.16) and Application (prior to 5.36.00.00) variants - allows unauthenticated remote attackers to inject unescaped content into application output, enabling phishing campaigns targeting users of the gateway. The vulnerability is classified as CWE-116 (Improper Encoding or Escaping of Output) and carries a CVSS 5.3 medium score, reflecting network-accessible, zero-authentication exploitation with limited confidentiality impact. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Exploit
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Execution
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Vulnerability AssessmentAI

Exploitation Exploitation requires no authentication and no special privileges - the CVSS vector confirms PR:N and AV:N, meaning the gateway's web interface must be reachable over the network by the attacker. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 5.3 medium rating (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) accurately conveys low infrastructure risk but is internally inconsistent with the stated phishing impact: phishing inherently requires victim interaction (UI:R) and affects integrity (I:L), yet the vendor scored UI:N and I:N. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade Dell Secure Connect Gateway 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, per vendor advisory DSA-2026-382 at https://www.dell.com/support/kbdoc/en-in/000503426/. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-79952 vulnerability details – vuln.today
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