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Security Bulletin: IBM UrbanCode Release is affected by CVE-2021-30640

Security Bulletin


IBM UrbanCode Release version - are affected by CVE-2021-30640

Vulnerability Details

CVEID:   CVE-2021-30640
DESCRIPTION:   Apache Tomcat could allow a remote attacker to bypass security restrictions, caused by improper authentication validation in the JNDI Realm. By sending a specially-crafted request using various user names, an attacker could exploit this vulnerability to bypass some of the protection provided by the LockOut Realm.
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:H/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
IBM UrbanCode Release6.2.2.7 -


IBM strongly recommends addressing the vulnerability now by upgrading to IBM UrbanCode Release version or above.

Affected Supporting Product(s)


IBM UrbanCode Release -

Download IBM UrbanCode Release – Includes Tomcat 8.5.69

Workarounds and Mitigations


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Change History

24 Jan 2022: 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:
25 January 2022