# CVE-2026-78020: Dell Secure Connect Gateway Policy Manager improper certificate validation

Source: https://junglewise.ai/threats/cve-2026-78020-dell-secure-connect-gateway-scg-policy-manager-versions-prior-to  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-09. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-78020 · Severity: high · CVSS 7.5 · Published 2026-10-09

Dell Secure Connect Gateway Policy Manager is a security appliance that manages remote access policies and connections. An improper certificate validation flaw allows unauthenticated attackers with network access to bypass security checks, potentially leading to denial of service, unauthorized information disclosure, or remote code execution on the affected system.

Technologies: [Dell Policy Manager For Secure Connect Gateway](https://junglewise.ai/threats/technologies/policy-manager-for-secure-connect-gateway), [Dell Secure Connect Gateway Policy Manager](https://junglewise.ai/threats/technologies/secure-connect-gateway-policy-manager). Vendors: [Dell](https://junglewise.ai/threats/vendors/dell).

## Quick answers

**Is CVE-2026-78020 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-78020 being exploited in the wild.

**How severe is CVE-2026-78020?** High severity, with a CVSS score of 7.5, published 9 October 2026.

**Which products and versions are affected?** Dell Secure Connect Gateway Policy Manager prior to 5.34.00.16.

**Is there a fix for CVE-2026-78020?** Yes: fixed in 5.34.00.16. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-78020 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-78020?** Check whether you run Dell Policy Manager For Secure Connect Gateway or Dell Secure Connect Gateway Policy Manager at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 5.34.00.16

## Technical details

The vulnerability stems from improper validation of SSL/TLS certificates in Policy Manager versions before 5.34.00.16. An unauthenticated remote attacker can exploit this flaw without requiring prior authentication or special preconditions, potentially achieving remote code execution or information disclosure through a man-in-the-middle or certificate spoofing attack.

## Affected products

- Dell Secure Connect Gateway Policy Manager prior to 5.34.00.16

## Timeline

- 2026-10-09: disclosed

## 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](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)

## Related threats

- [Dell Secure Connect Gateway Policy Manager incorrect authorization](https://junglewise.ai/threats/cve-2026-78341-dell-secure-connect-gateway-scg-policy-manager-versions-prior-to)
- [Dell Secure Connect Gateway Policy Manager path traversal](https://junglewise.ai/threats/cve-2026-78340-dell-secure-connect-gateway-scg-policy-manager-versions-prior-to)
- [Dell Secure Connect Gateway Policy Manager incorrect permission assignment](https://junglewise.ai/threats/cve-2026-78339-dell-secure-connect-gateway-scg-policy-manager-versions-prior-to)
- [Dell Secure Connect Gateway Policy Manager server-side request forgery](https://junglewise.ai/threats/cve-2026-78027-dell-secure-connect-gateway-scg-policy-manager-versions-prior-to)
- [Dell Secure Connect Gateway Policy Manager authorization bypass](https://junglewise.ai/threats/cve-2026-78026-dell-secure-connect-gateway-scg-policy-manager-versions-prior-to)