CVE-2026-78020 Dell Secure Connect Gateway - Improper Certificate Validation

Dell Secure Connect Gateway (SCG) Policy Manager < 5.34.00.16 contains an improper certificate validation vulnerability, letting unauthenticated remote attackers cause denial of service, information disclosure, and remote code execution.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.18% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Improper Certificate Validation
Impact
Denial Of Service, Information Disclosure, Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
9 October 2026
Updated
15 October 2026
Weakness
CWE-295

Vendor fix

Update to version 5.34.00.16 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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