CVE-2026-80176: Dell SCG 5.0 Password Storage Vulnerability

CVE-2026-80176 Overview

CVE-2026-80176 affects Dell Secure Connect Gateway (SCG) 5.0, where credentials are stored in plaintext on the appliance. The flaw resides in 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. A low-privileged attacker with local access can read the stored password material and obtain sensitive information. The weakness is tracked under [CWE-257: Storing Passwords in a Recoverable Format]. Dell disclosed the issue in security advisory DSA-2026-382 covering multiple vulnerabilities in Secure Connect Gateway Virtual Edition.

Critical Impact
Local, low-privileged users can extract plaintext passwords from the SCG appliance, enabling credential reuse against connected Dell infrastructure and downstream systems.

Affected Products

Dell Secure Connect Gateway (SCG) 5.0 Appliance versions prior to 5.36.00.16
Dell Secure Connect Gateway (SCG) 5.0 Application versions prior to 5.36.00.00
Dell Secure Connect Gateway Virtual Edition (per DSA-2026-382)

Discovery Timeline

2026-09-07 - CVE-2026-80176 published to NVD
2026-09-08 - Last updated in NVD database

Technical Details for CVE-2026-80176

Vulnerability Analysis

Dell Secure Connect Gateway acts as a communication bridge between customer environments and Dell support back-end services. To perform that role, SCG holds credentials for connected devices, service accounts, and integration endpoints. In the affected versions, at least one of those password fields is written to disk in plaintext rather than encrypted or hashed. Any process or user account with local read access to the relevant configuration store can retrieve the credential without cryptographic effort. The result is a confidentiality-only exposure, but the credentials involved are typically privileged within the customer environment.

Root Cause

The root cause is a design defect classified as [CWE-257]: passwords are persisted in a recoverable, cleartext form. Secure credential handling requires storage using a reversible encryption scheme protected by an appliance key, or a one-way hash when reversibility is not needed. Dell's advisory DSA-2026-382 confirms the plaintext storage condition and identifies fixed versions.

Attack Vector

Exploitation requires local access to the SCG appliance and low-privileged credentials, not administrative rights. Once authenticated, the attacker reads the file or datastore holding the plaintext password. No user interaction is required, and exploitation does not modify system state, which limits telemetry generated by the abuse. Because SCG integrates with Dell hardware and management tooling, harvested credentials can be replayed against connected devices to broaden access.

No verified public exploit code was available for CVE-2026-80176 at the time of writing. See the Dell Security Advisory DSA-2026-382 for vendor technical details.

Detection Methods for CVE-2026-80176

Indicators of Compromise

Unexpected read access by non-administrative accounts to SCG configuration files or credential stores on the appliance.
Shell sessions on the SCG appliance from accounts that historically only perform monitoring or support tasks.
Reuse of SCG-managed service credentials from hosts other than the SCG appliance itself.

Detection Strategies

Audit local logins and sudo activity on the SCG appliance and alert on access by low-privileged accounts to configuration directories.
Enable file integrity monitoring on SCG credential and configuration paths to flag reads and copies by unexpected processes.
Correlate authentication events on downstream Dell devices with the source IP of the SCG appliance to detect credential replay from other hosts.

Monitoring Recommendations

Forward SCG appliance system, audit, and application logs to a centralized SIEM for retention and correlation.
Track failed and successful authentication attempts against integrated Dell devices and service accounts referenced by SCG.
Baseline the set of processes and users that legitimately read SCG configuration stores and alert on deviations.

How to Mitigate CVE-2026-80176

Immediate Actions Required

Upgrade Dell SCG 5.0 Appliance to 5.36.00.16 or later and Dell SCG 5.0 Application to 5.36.00.00 or later, per DSA-2026-382.
Rotate every credential that was stored on affected SCG instances, including service accounts and device passwords, after patching.
Restrict local and shell access to the SCG appliance to a minimal set of administrators and remove unused local accounts.

Patch Information

Dell has released fixed versions in Dell Security Advisory DSA-2026-382. Apply the update through the standard SCG upgrade workflow, then verify the running version reports 5.36.00.16 (Appliance) or 5.36.00.00 (Application) or later before restoring normal operations.

Workarounds

Enforce network segmentation so only authorized administrators can reach the SCG appliance management interfaces.
Apply least-privilege on the appliance operating system and remove interactive shell rights from non-administrative roles until patched.
Increase logging verbosity on the SCG appliance and forward logs off-box so any local credential access leaves an external record.

bash

# Configuration example
# Verify installed Dell SCG version against the fixed release before returning to production
scgctl version
# Expected output should show 5.36.00.16 or later (Appliance) / 5.36.00.00 or later (Application)