EUVD-2026-72453
GHSA-qhm6-9p3v-r4vr
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
MITM network position required (AC:H); no attacker credentials needed (PR:N); full channel compromise yields C:H/I:H; availability unaffected (A:N).
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 TLS certificate validation in Dell Secure Connect Gateway 5.0 allows an unauthenticated remote attacker occupying a man-in-the-middle network position to intercept and tamper with encrypted SCG communications, leading to unauthorized access. Both the physical Appliance variant (fixed in 5.36.00.16) and the virtual Application variant (fixed in 5.36.00.00) are affected across all 5.0.x releases preceding those thresholds, per Dell advisory DSA-2026-382. …
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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 position on the network path between the Dell SCG 5.0 instance and its remote endpoint - for example via ARP cache poisoning, rogue DHCP, DNS hijacking, or physical control of an intermediate network device. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.4 score is driven primarily by C:H/I:H impact but tempered by AC:H, which accurately reflects that exploitation demands a man-in-the-middle network position - an elevated prerequisite that substantially reduces the realistic attacker pool. … 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 patches are available: upgrade Dell SCG 5.0 Appliance to version 5.36.00.16 or later, and upgrade Dell SCG 5.0 Application to version 5.36.00.00 or later, per 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. |
Recommended ActionAI
Within 24 hours, identify all Dell Secure Connect Gateway 5.0 physical appliance and virtual application instances in your environment and document their current versions. …
Sign in for detailed remediation steps and compensating controls.
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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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