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major vulnerability· requires attention

Unauthenticated replay vulnerability in a widely deployed Dell gateway enabling admin token takeover; high-impact for enterprise remote access.

Infrastructure

CVE-2026-80172

9.8
Critical
EPSS 0.27%Patch availableSep 11, 2026

Unauthenticated replay flaw in Dell Secure Connect Gateway allows admin token takeover.

common questions

Is CVE-2026-80172 being exploited?

Not confirmed. CVE-2026-80172 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.27% probability of exploitation in the next 30 days.

How severe is CVE-2026-80172?

CVE-2026-80172 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-80172?

Yes. A fix has been recorded for CVE-2026-80172. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-80172 affect?

CVE-2026-80172 affects Dell Secure Connect Gateway Appliance < 5.36.00.16, Dell Secure Connect Gateway Application < 5.36.00.00. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-80172?

Upgrade to fixed SCG versions immediately; rotate tokens and audit access logs.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
Dell Secure Connect Gateway Appliance < 5.36.00.16Dell Secure Connect Gateway Application < 5.36.00.00
impact

An unauthenticated attacker can replay captured requests to obtain ADMIN access and refresh tokens indefinitely, enabling full takeover and persistent access.

action required

Immediate action required

affected versions
Dell Secure Connect Gateway 5.0 - Appliance
  • affected< 5.36.00.16 or later
Dell Secure Connect Gateway 5.0 - Application
  • affected< 5.36.00.00 or later

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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