CVE-2026-78020

Dell Policy Manager For Secure Connect Gateway: denial of service

Risk score: 59/100
CVSS: 8.8 v3.1
Exploit chance (30 days): 0.2%
Published: 9 Oct 2026

Open in the live forecast Today's forecast

What to know

What it is: Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Improper Certificate Validation vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Denial of service, Information disclosure, and Remote execution.
Affected: Dell Policy Manager For Secure Connect Gateway before 5.34.00.16
Fix: Upgrade Dell Policy Manager For Secure Connect Gateway to 5.34.00.16 or later.
Exploitation: No known exploitation

Story map

Story map: the flaws, the fix, how it unfolded and what it connects to. Boxes link to the record or article.

At a glance

Dell Policy Manager For Secure Connect Gateway: Amber, patch this week. Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Improper Restriction of Excessive Authentication Attempts vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Elevation of privileges, Protection mechanism bypa…

The flaws

CVE-2026-78020: Denial of service (CVSS 8.8 · EPSS 0%)
CVE-2026-76779: Privilege escalation (CVSS 9.8 · EPSS 0%)
CVE-2026-73595: Remote code execution (CVSS 9.8 · EPSS 0%)
CVE-2026-78019: Privilege escalation (CVSS 8.8 · EPSS 0%)

The fix

Upgrade Dell Policy Manager For Secure Connect Gateway: 5.34.00.16 · 5.36 or later on your release line

Who is exposed: Dell Policy Manager For Secure Connect Gateway before 5.34.00.16

Where it stands

No known exploitation

Connects to

Same weakness: CWE-295 (CWE-295). 82 other warnings in 30 days
Same product: Earlier Dell Policy Manager For Secure Connect Gateway warnings. 23 in the last 90 days

Why it is Yellow

CVSS 8.8 high
Remotely exploitable without logging in

References

https://www.dell.com/support/kbdoc/en-ca/000503592/dsa-2026-385-security-update-for-dell-secure-connect-gateway-policy-manager-multiple-vulnerabilities?msockid=3021cac2195069ed3194ddad186a68f9

Original description

Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Improper Certificate Validation vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Denial of service, Information disclosure, and Remote execution.

Last activity 9 Oct 2026. Patch Forecast updates every hour.