What is CVE-2026-79943?

CVE-2026-79943 is a medium-severity vulnerability in Dell Secure Connect Gateway 5.0 - Appliance, classified under Improper Validation of Certificate with Host Mismatch. CVSS score: 4.8/10. Published 2026-09-07.

How severe is CVE-2026-79943?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Vulnerability in Dell Secure Connect Gateway 5.0 - Appliance

CVE-2026-79943

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 Validation of Certificate with Host Mismatch vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to protection mechanism bypass.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

CWE-297 — Improper Validation of Certificate with Host Mismatch

References

security_alert@emc.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-79943?: CVE-2026-79943 is a medium-severity vulnerability in Dell Secure Connect Gateway 5.0 - Appliance, classified under Improper Validation of Certificate with Host Mismatch. CVSS score: 4.8/10. Published 2026-09-07.
How severe is CVE-2026-79943?: Medium severity. CVSS v3 base score is 4.8 out of 10.