EUVD-2026-75026
GHSA-9gq6-686x-r39m
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
MITM positioning required (AC:H); no auth needed (PR:N); only diagnostic data exposed in transit (C:L); no integrity or availability impact.
Primary rating from Vendor (dell).
CVSS VectorVendor: dell
Lifecycle Timeline
2DescriptionCVE.org
Dell Secure Connect Gateway (SCG) 5.0 Appliance, versions prior to 5.36.00.xx, contains an Improper Certificate Validation vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to protection mechanism bypass.
AnalysisAI
Improper certificate validation in Dell Secure Connect Gateway 5.0 (both Appliance and Application variants) exposes organizations to protection mechanism bypass by unauthenticated remote attackers positioned on the network path. Affected are all Appliance versions prior to 5.36.00.16 and all Application versions prior to 5.36.00.00, as confirmed by Dell advisory DSA-2026-382 and EUVD-2026-75026. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to achieve a man-in-the-middle (MITM) position on the network path between the Dell Secure Connect Gateway instance and its remote communication endpoints, confirmed by the AC:H metric in the CVSS vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.7 score (AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N) accurately reflects a limited but real threat: the AC:H metric confirms that successful exploitation requires the attacker to first achieve a man-in-the-middle position on the network path between the SCG instance and Dell's support endpoints, a non-trivial prerequisite that substantially reduces opportunistic risk. … 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 the Application variant to version 5.36.00.00 or later, as directed by Dell advisory 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. |
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Same weakness CWE-295 – Improper Certificate Validation
View allSame technique Authentication Bypass
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External POC / Exploit Code
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