Security Bulletin: IBM UrbanCode Release is affected by CVE-2021-30639

Summary

IBM UrbanCode Release version 6.2.5.3 - 6.2.5.4 are affected by CVE-2021-30639

Vulnerability Details

CVEID:CVE-2021-30639
**DESCRIPTION:**Apache Tomcat is vulnerable to a denial of service, caused by improper error handling during non-blocking I/O. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to trigger non-blocking I/O errors resulting in a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/205212 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

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by upgrading to IBM UrbanCode Release version 6.2.5.5 or above.

Affected Supporting Product(s)

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Remediation/Fix

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IBM UrbanCode Release 6.2.5.3 - 6.2.5.4

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Download IBM UrbanCode Release 6.2.5.5 – Includes Tomcat 8.5.69

Workarounds and Mitigations

None