DSA-2022-102: Dell Client SupportAssist OS Recovery Security Update for an Authentication Bypass Vulnerability
Summary: Dell Client SupportAssist OS Recovery remediation is available for an authentication bypass vulnerability that may be exploited by malicious users to compromise the affected system.
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Impact
Medium
Details
| Proprietary Code CVE | Description | CVSS Base Score | CVSS Vector String |
| CVE-2022-26865 |
Dell Support Assist OS Recovery versions before 5.5.2 contain an Authentication Bypass vulnerability. An unauthenticated attacker with physical access to the system may exploit this vulnerability by bypassing OS Recovery authentication in order to run arbitrary code on the system as Administrator. | 6.8 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Proprietary Code CVE | Description | CVSS Base Score | CVSS Vector String |
| CVE-2022-26865 |
Dell Support Assist OS Recovery versions before 5.5.2 contain an Authentication Bypass vulnerability. An unauthenticated attacker with physical access to the system may exploit this vulnerability by bypassing OS Recovery authentication in order to run arbitrary code on the system as Administrator. | 6.8 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected Products & Remediation
SupportAssist OS Recovery is only available on select Dell Client platforms. See the Dell SupportAssist OS Recovery Support Matrix on the SupportAssist OS Recovery site for a list of supported platforms.
Customers can use one of the Dell notification solutions to be notified and download updates or follow the update instructions in the user interface section of the Dell SupportAssist OS Recovery User’s Guide.
Customers can check the current version of Dell SupportAssist OS Recovery by starting the SupportAssist OS Recovery following the Dell SupportAssist OS Recovery User’s Guide. Once started, go to the About menu which can be accessed through the three-dot menu icon (
).
| Product | Affected Versions | Updated Versions |
| Dell SupportAssist OS Recovery | 5.5.1 | 5.5.2 |
Customers can use one of the Dell notification solutions to be notified and download updates or follow the update instructions in the user interface section of the Dell SupportAssist OS Recovery User’s Guide.
Customers can check the current version of Dell SupportAssist OS Recovery by starting the SupportAssist OS Recovery following the Dell SupportAssist OS Recovery User’s Guide. Once started, go to the About menu which can be accessed through the three-dot menu icon (
).SupportAssist OS Recovery is only available on select Dell Client platforms. See the Dell SupportAssist OS Recovery Support Matrix on the SupportAssist OS Recovery site for a list of supported platforms.
Customers can use one of the Dell notification solutions to be notified and download updates or follow the update instructions in the user interface section of the Dell SupportAssist OS Recovery User’s Guide.
Customers can check the current version of Dell SupportAssist OS Recovery by starting the SupportAssist OS Recovery following the Dell SupportAssist OS Recovery User’s Guide. Once started, go to the About menu which can be accessed through the three-dot menu icon ().
| Product | Affected Versions | Updated Versions |
| Dell SupportAssist OS Recovery | 5.5.1 | 5.5.2 |
Customers can use one of the Dell notification solutions to be notified and download updates or follow the update instructions in the user interface section of the Dell SupportAssist OS Recovery User’s Guide.
Customers can check the current version of Dell SupportAssist OS Recovery by starting the SupportAssist OS Recovery following the Dell SupportAssist OS Recovery User’s Guide. Once started, go to the About menu which can be accessed through the three-dot menu icon (
).Revision History
| Revision | Date | Description |
| 1.0 | 2022-04-26 | Initial Release |
Acknowledgements
Dell Technologies would like to thank the Lockheed Martin Red Team for reporting this issue.
Related Information
Legal Disclaimer
Affected Products
Product Security Information, SupportAssist OS RecoveryArticle Properties
Article Number: 000198780
Article Type: Dell Security Advisory
Last Modified: 18 Sep 2025
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