What is the severity of CVE-2020-4355?

CVE-2020-4355 has a severity rating of Medium due to its potential for causing a denial of service.

How do I fix CVE-2020-4355?

To fix CVE-2020-4355, you should apply the latest security updates provided by IBM for the affected versions of DB2.

What versions of IBM DB2 are affected by CVE-2020-4355?

CVE-2020-4355 affects IBM DB2 versions 9.7.0.0, 10.1.0.0, 10.5.0.0, 11.1.0.0, and 11.5.0.0.

What attack vector is associated with CVE-2020-4355?

CVE-2020-4355 can be exploited through remote attacks leveraging specially-crafted SSL renegotiation requests.

Is CVE-2020-4355 specific to any operating system?

CVE-2020-4355 is not limited to any specific operating system but affects the listed versions of IBM DB2 running on Linux, UNIX, and Windows.

Vulnerability/
CVE-2020-4355

medium

5.3

1/7/2020

17/9/2024

CVE-2020-4355

First published: Wed Jul 01 2020(Updated: )

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) is vulnerable to a denial of service, caused by improper handling of Secure Sockets Layer (SSL) renegotiation requests. By sending specially-crafted requests, a remote attacker could exploit this vulnerability to increase the resource usage on the system.

Credit: psirt@us.ibm.com

Affected Software	Affected Version	How to fix
IBM Db2	=9.7.0.0
IBM Db2	=10.1.0.0
IBM Db2	=10.5.0.0
IBM Db2	=11.1.0.0
IBM Db2	=11.5.0.0
Linux Kernel
Microsoft Windows

Remedy

https://www.ibm.com/support/pages/node/6242350

Never miss a vulnerability like this again

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

IBM-6242350

Frequently Asked Questions

What is the severity of CVE-2020-4355?
CVE-2020-4355 has a severity rating of Medium due to its potential for causing a denial of service.
How do I fix CVE-2020-4355?
To fix CVE-2020-4355, you should apply the latest security updates provided by IBM for the affected versions of DB2.
What versions of IBM DB2 are affected by CVE-2020-4355?
CVE-2020-4355 affects IBM DB2 versions 9.7.0.0, 10.1.0.0, 10.5.0.0, 11.1.0.0, and 11.5.0.0.
What attack vector is associated with CVE-2020-4355?
CVE-2020-4355 can be exploited through remote attacks leveraging specially-crafted SSL renegotiation requests.
Is CVE-2020-4355 specific to any operating system?
CVE-2020-4355 is not limited to any specific operating system but affects the listed versions of IBM DB2 running on Linux, UNIX, and Windows.

agent/references
agent/type
agent/softwarecombine
collector/ibm-support
source/IBM
agent/remedy
agent/severity
agent/author
agent/description
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/first-publish-date
agent/event
agent/trending
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/ibm
canonical/ibm db2
version/ibm db2/9.7.0.0
version/ibm db2/10.1.0.0
version/ibm db2/10.5.0.0
version/ibm db2/11.1.0.0
version/ibm db2/11.5.0.0
vendor/linux
canonical/linux kernel
vendor/microsoft
canonical/microsoft windows

Company

Resources

Contact

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Frequently Asked Questions

What is the severity of CVE-2020-4355?
CVE-2020-4355 has a severity rating of Medium due to its potential for causing a denial of service.
How do I fix CVE-2020-4355?
To fix CVE-2020-4355, you should apply the latest security updates provided by IBM for the affected versions of DB2.
What versions of IBM DB2 are affected by CVE-2020-4355?
CVE-2020-4355 affects IBM DB2 versions 9.7.0.0, 10.1.0.0, 10.5.0.0, 11.1.0.0, and 11.5.0.0.
What attack vector is associated with CVE-2020-4355?
CVE-2020-4355 can be exploited through remote attacks leveraging specially-crafted SSL renegotiation requests.
Is CVE-2020-4355 specific to any operating system?
CVE-2020-4355 is not limited to any specific operating system but affects the listed versions of IBM DB2 running on Linux, UNIX, and Windows.