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Security Bulletin: ACLs not backed up on VxFS-HP-UX filesystems by IBM Spectrum Protect Backup-Archive Client (CVE-2019-4236)

Security Bulletin


ACL entries associated with a file or directory on a VxFS HP-UX filesystem may not be backed up by the IBM Spectrum Protect (formerly Tivoli Storage Manager) Backup-Archive Client.

Vulnerability Details

CVEID: CVE-2019-4236
DESCRIPTION: A Spectrum Protect client backup or archive operation running for an HP-UX VxFS object is not backing up Access Control List (ACL) entries in certain cases. As a result, restoring or retrieving an object may have incorrect ACL entries.
CVSS Base Score: 5.1
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

Affected Products and Versions

This security exposure affects IBM Spectrum Protect (formerly Tivoli Storage Manager) Backup-Archive Client levels through on HP-UX IA64.


Client Release
First Fixing VRM Level
APAR Platform Link to Fix
      7.1 IT28620 HP-UX IA64

Workarounds and Mitigations


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Change History

18 July 2019 - original version published

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.


Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Internal Use Only

Advisory 15851 Record 134642

Document Location


[{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSEQVQ","label":"IBM Spectrum Protect"},"Component":"Backup-Archive Client","Platform":[{"code":"PF010","label":"HP-UX"}],"Version":"7.l","Edition":"","Line of Business":{"code":"LOB26","label":"Storage"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSGSG7","label":"Tivoli Storage Manager"},"Component":"Backup-Archive Client","Platform":[{"code":"PF010","label":"HP-UX"}],"Version":"7.1","Edition":"","Line of Business":{"code":"LOB26","label":"Storage"}}]

Document Information

Modified date:
24 July 2019