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Security Bulletin: Apache CXF vulnerability identified in IBM Tivoli Application Dependency Discovery Manager (CVE-2021-22696)

Security Bulletin


This security bulletin addresses the vulnerability in Open Source Apache CXF that affect IBM Tivoli Application Dependency Discovery Manager.

Vulnerability Details

CVEID:   CVE-2021-22696
DESCRIPTION:   Apache CXF is vulnerable to a denial of service, caused by improper validation of request_uri parameter by the OAuth 2 authorization service. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition on the authorization server.
CVSS Base score: 7.5
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product(s) Version(s)
IBM Tivoli Application Dependency Discovery Manager


TADDM and : The eFix in the table below can be downloaded and applied directly.

TADDM and : If there are existing eFixes on these versions (ls -lrt etc/efix*), please contact IBM support and open a case for a custom version of the eFixes. Include the current eFix level (ls -lrt etc.efix*), TADDM version and a link to this bulletin. The eFix in the table below is created to be installed on the respective FixPacks only if there are no previously applied eFixes. 

Fix                                                                     VRMF APAR

How to acquire fix  None Download eFix None Download eFix  None Download eFix None Download eFix

Note: Before TADDM, Java 7 was used and this CXF fix is applicable to Java8. Hence, no eFix can be provided for versions before

Workarounds and Mitigations

For customers on TADDM or, recommendation is to upgrade to the latest version and then apply the efix directly.

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Change History

04 May 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


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Document Information

Modified date:
01 October 2021