DSA-2026-165: Security Update for Dell AppSync Vulnerabilities.

Summary: Dell AppSync remediation is available for multiple security vulnerabilities that could be exploited by malicious users to compromise the affected system.

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Impact

High

Details

Proprietary Code CVEs Description CVSS Base Score CVSS Vector String
CVE-2026-27110 Dell AppSync, version(s) 4.6.0.4, contain(s) an Improper Access Control vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Protection mechanism bypass and Unauthorized access. 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NThis hyperlink is taking you to a website outside of Dell Technologies.
CVE-2026-28257 Dell AppSync, version(s) 4.6.0.4, contain(s) an Improper Authorization vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access. 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:LThis hyperlink is taking you to a website outside of Dell Technologies.
CVE-2026-28258 Dell AppSync, version(s) 4.6.0.4, contain(s) an Improper Authorization vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access. 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:LThis hyperlink is taking you to a website outside of Dell Technologies.
Proprietary Code CVEs Description CVSS Base Score CVSS Vector String
CVE-2026-27110 Dell AppSync, version(s) 4.6.0.4, contain(s) an Improper Access Control vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Protection mechanism bypass and Unauthorized access. 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NThis hyperlink is taking you to a website outside of Dell Technologies.
CVE-2026-28257 Dell AppSync, version(s) 4.6.0.4, contain(s) an Improper Authorization vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access. 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:LThis hyperlink is taking you to a website outside of Dell Technologies.
CVE-2026-28258 Dell AppSync, version(s) 4.6.0.4, contain(s) an Improper Authorization vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access. 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:LThis hyperlink is taking you to a website outside of Dell Technologies.
Dell Technologies recommends all customers consider both the CVSS base score and any relevant temporal and environmental scores that may impact the potential severity associated with a particular security vulnerability.

Affected Products & Remediation

CVEs Addressed Product Affected Versions Remediated Versions Link
CVE-2026-27110, CVE-2026-28257, CVE-2026-28258 Dell AppSync 4.6.0.4, 4.6.1.0 4.6.1.1 https://www.dell.com/support/product-details/en-us/product/appsync/drivers
CVEs Addressed Product Affected Versions Remediated Versions Link
CVE-2026-27110, CVE-2026-28257, CVE-2026-28258 Dell AppSync 4.6.0.4, 4.6.1.0 4.6.1.1 https://www.dell.com/support/product-details/en-us/product/appsync/drivers

Workarounds & Mitigations

n/a

Revision History

Revision

Date

Description

1.0

2026-08-24

Initial Release

 

Acknowledgements

Dell would like to thank brocked200 for reporting this issue.

Related Information

Dell Security Advisories and Notices
Dell Vulnerability Response Policy
CVSS Scoring Guide

Legal Disclaimer

Affected Products

AppSync
Article Properties
Article Number: 000502484
Article Type: Dell Security Advisory
Last Modified: 24 أغسطس 2026
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