EUVD-2026-72523
GHSA-84x5-255h-vwhm
Severity by source
AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Adjacent-network MITM for cert validation bypass; no privileges or interaction needed; confidentiality high, integrity and availability limited.
Primary rating from Vendor (dell).
CVSS VectorVendor: dell
Lifecycle Timeline
3DescriptionCVE.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 Certificate Validation vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.
AnalysisAI
Improper Certificate Validation (CWE-295) in Dell Secure Connect Gateway (SCG) 5.0 allows an unauthenticated attacker positioned on the same network segment to intercept or manipulate TLS-protected communications, leading to unauthorized access to sensitive data or remote-support sessions. Both the Appliance variant (versions prior to 5.36.00.16) and the Application variant (versions prior to 5.36.00.00) are affected. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to be network-adjacent - on the same LAN, VLAN, or subnet segment as the Dell SCG Appliance or Application. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.6 score (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L) reflects a meaningful but geographically constrained threat: exploitation requires network adjacency. … 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 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 per Dell Security Advisory DSA-2026-382 (https://www.dell.com/support/kbdoc/en-in/000503426). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Dell SCG deployments and document current versions-specifically identifying Appliance instances below 5.36.00.16 and Application instances below 5.36.00.00-and note their network location; implement network-based monitoring for anomalous TLS/SSL certificate validation attempts targeting SCG. …
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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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