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CVE-2026-79636

HIGH 7 ALL-YEARS

Published 2026-09-09 · Last modified 2026-09-09 · dell · NVD: Analyzed

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 unauthorized access.

ELEVATED IMPACT

Severe if exploited (CVSS 7), but no confirmed exploitation. Patch on a normal cadence.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 10th percentile

○ In CISA KEV○ Public exploit / PoC◆ SSVC: exploitation none, automatable no

Impact if exploited

7CVSS 3.1 · HIGH · CNA

  • ConfidentialityHigh
  • IntegrityLow
  • AvailabilityLow

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ⚠Complexity: Needs a race window or specific setup

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

No public exploit or proof-of-concept code is catalogued for this CVE (no ExploitDB, Nuclei, or CISA-KEV entry). It may still exist — search GitHub or check the references below.

Affected

Vendors Dell

Products Secure Connect Gateway 5.0 Application Secure Connect Gateway 5.0 Appliance Secure Connect Gateway

Weakness (CWE)

  • CWE-297: : Improper Validation of Certificate with Host Mismatch

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L

Known Affected Software Configurations

VendorProductVersion range
DellSecure Connect Gateway< 5.36.00.00
DellSecure Connect Gateway< 5.36.00.16

All CVSS metrics

  • HIGH 7 v3.1 · CNA Primary
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L
  • HIGH 7 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L

References

Advisories

Sources: NVD · CVE.org · EPSS