Security Bulletin
Summary
Apache Tomcat as used by IBM QRadar SIEM is vulnerable to information disclosure
Vulnerability Details
CVEID: CVE-2020-13943
DESCRIPTION: Apache Tomcat could allow a remote attacker to obtain sensitive information, caused by a flaw when HTTP/2 client exceeded the agreed maximum number of concurrent streams for a connection. By sending a specially-crafted HTTP request, an attacker could exploit this vulnerability to see the responses for unexpected resources, and use this information to launch further attacks against the affected system.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/189643 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
Affected Products and Versions
IBM QRadar 7.3.0 to 7.3.3 Patch 7
IBM QRadar 7.4.0 to 7.4.2 Patch 2
Remediation/Fixes
QRadar / QRM / QVM / QRIF / QNI 7.3.3 Patch 8
QRadar / QRM / QVM / QRIF / QNI 7.4.2 Patch 3
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Acknowledgement
Change History
4 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.
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:
04 May 2021
UID
ibm16449662