Dell DD OS Log File Vulnerability Exposes Credentials
The National Vulnerability Database has identified CVE-2026-23775, a critical vulnerability impacting Dell PowerProtect Data Domain appliances running DD OS versions 8.0 through 8.5 and the LTS2025 release 8.3.1.0-8.3.1.10. This flaw allows a low-privileged attacker with remote access to exploit an information insertion vulnerability within log files. The exploit could lead to the exposure of sensitive credentials, enabling attackers to potentially impersonate legitimate users. However, successful exploitation requires authentication attempts to be authorized by a high-privileged DD user, and the vulnerability is only active on systems with retention lock enabled.
What This Means For You
- If your organization utilizes Dell PowerProtect Data Domain appliances with retention lock enabled, immediately verify the DD OS version. Prioritize patching to address CVE-2026-23775. Given the potential for credential exposure, conduct a thorough audit of authentication logs for any suspicious activity and consider reviewing and resetting credentials for privileged accounts associated with these appliances.
Related ATT&CK Techniques
🛡️ Detection Rules
1 rules · 6 SIEM formats1 auto-generated detection rules for this incident, mapped to MITRE ATT&CK. Available in Sigma, Splunk SPL, Sentinel KQL, Elastic Lucene, QRadar AQL, and Wazuh.
Exploitation Attempt — CVE-2026-23775
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Get All SIEM Formats →Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-23775 | Information Disclosure | Dell PowerProtect Data Domain appliances |
| CVE-2026-23775 | Information Disclosure | Data Domain Operating System (DD OS) Feature Release versions 8.0 through 8.5 |
| CVE-2026-23775 | Information Disclosure | Data Domain Operating System (DD OS) LTS2025 release version 8.3.1.0 through 8.3.1.10 |
| CVE-2026-23775 | Information Disclosure | Insertion of sensitive information into log file vulnerability |
| CVE-2026-23775 | Misconfiguration | Systems with retention lock enabled |
Written by SCW Vulnerability Desk
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