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Security Bulletin: IBM I2 iBase is vulnerable to unrestricted file upload (CVE-2020-4588)

Security Bulletin


iBase file uploads does not restrict the file type to be uploaded. This issue has been addressed.

Vulnerability Details

CVEID:   CVE-2020-4588
DESCRIPTION:   IBM i2 iBase could allow an attacker to upload arbitrary executable files which, when executed by an unsuspecting victim could result in code execution.
CVSS Base score: 7.7
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM i2 iBaseAll
IBM i2 iBase8.9.13


This was addressed in iBase 9. Please refer to your Passport Advantage account for upgrades

Workarounds and Mitigations


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John Zuccato, Rodney Ryan, Chris Shepherd, Nathan Roane, Kamil Sarbinowski, Vince Dragnea, Troy Fisher and Elaheh Samani from IBM X-Force Ethical Hacking Team.

Change History

29 Oct 2020: Initial Publication

*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.

Document Location


[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSXW43","label":"i2 iBase"},"Component":"","Platform":[{"code":"PF033","label":"Windows"}],"Version":"8.9.13","Edition":"","Line of Business":{"code":"LOB24","label":"Security Software"}}]

Document Information

Modified date:
02 November 2020