IBM Support

Security Bulletin: Unexpected Content-Type vulnerability affects IBM Edge (CVE-2020-4941)

Security Bulletin


IBM Edge is affected by an Unexpected Content-Type vulnerability. IBM Edge has resolved this vulnerability.

Vulnerability Details

CVEID:   CVE-2020-4941
DESCRIPTION:   IBM Edge could reveal sensitive version information about the server from error pages that could aid an attacker in further attacks against the system.
CVSS Base score: 4.3
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Edge4.2


The fix/upgrade is a set of docker images, that will automatically be pulled and deployed from both dockerhub and the IBM Entitled Registry 

Workarounds and Mitigations


Get Notified about Future Security Bulletins



Change History

20 Sep 2021: 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":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SS7L5K","label":"IBM Edge Application Manager"},"Component":"","Platform":[{"code":"PF016","label":"Linux"}],"Version":"4.2","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
22 September 2021