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Dell Secure Connect Gateway CVE-2026-80164

| EUVDEUVD-2026-72401 CRITICAL
Improper Certificate Validation (CWE-295)
2026-09-07 dell GHSA-6pp4-gmp6-x2gm
9.1
CVSS 3.1 · NVD
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Severity by source

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

Certificate-validation bypass realistically needs an on-path MITM position, so AC:H rather than AC:L; unauthenticated network reach yields PR:N, with C:H/I:H and no availability impact.

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

Primary rating from Vendor (dell).

CVSS VectorNVD

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

Lifecycle Timeline

7
Analysis Updated
Sep 09, 2026 - 18:28 vuln.today
v2 (cvss_changed)
Re-analysis Queued
Sep 09, 2026 - 18:22 vuln.today
cvss_changed
Severity Changed
Sep 09, 2026 - 18:22 NVD
HIGH CRITICAL
CVSS changed
Sep 09, 2026 - 18:22 NVD
7.4 (HIGH) 9.1 (CRITICAL)
Analysis Generated
Sep 07, 2026 - 14:16 vuln.today
Patch available
Sep 07, 2026 - 14:02 EUVD
CVE Published
Sep 07, 2026 - 13:24 cve.org
HIGH 7.4

DescriptionNVD

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 Certificate Validation vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.

AnalysisAI

Unauthorized remote access to Dell Secure Connect Gateway (SCG) 5.0 is possible because the product fails to properly validate TLS certificates (CWE-295), affecting the Appliance edition before 5.36.00.16 and the Application edition before 5.36.00.00. An unauthenticated network attacker able to intercept or interpose on connections can defeat the trust chain and gain access to protected resources or data. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
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Execution
technique details hidden
Persist
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Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation Exploitation targets Dell SCG 5.0 Appliance before 5.36.00.16 or Application before 5.36.00.00 and hinges on the product accepting an invalid/untrusted TLS certificate rather than terminating the connection. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The signals are mixed. … 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 Vendor-released patch: upgrade the Appliance edition to 5.36.00.16 or later and the Application edition to 5.36.00.00 or later, per Dell DSA-2026-382 (https://www.dell.com/support/kbdoc/en-in/000503426/dsa-2026-382-security-update-for-dell-secure-connect-gateway-virtual-edition-multiple-vulnerabilities). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, inventory all Dell SCG deployments and identify current versions for both Appliance (target: 5.36.00.16 or later) and Application (target: 5.36.00.00 or later) editions. …

Sign in for detailed remediation steps and compensating controls.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-80164 vulnerability details – vuln.today

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