Security Bulletin
Summary
App Connect Professional has addressed the following vulnerabilities reported in Apache Tomcat.
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
App Connect Professional v 7.5.3.0
App Connect Professional v 7.5.4.0
App Connect Professional v 7.5.5.0
Remediation/Fixes
| Product | VRMF | APAR | Remediation/First Fix |
| App Connect Professional | 7.5.3.0 | LI82304 | 7530 Fixcentral link |
| App Connect Professional | 7.5.4.0 | LI82304 | 7540 Fixcentral link |
| App Connect Professional | 7.5.5.0 | LI82304 | 7550 Fixcentral link |
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
14 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.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
21 September 2021
Initial Publish date:
14 September 2021
UID
ibm16491087