CVE-2020-4821

Description

IBM InfoSphere Data Replication 11.4 and IBM InfoSphere Change Data Capture for z/OS 10.2.1, under certain configurations, could allow a user to bypass authentication mechanisms using an empty password string. IBM X-Force ID: 189834

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.24%
Vendor Advisory ibmcloud.com Vendor Advisory ibm.com Vendor Advisory ibm.com
Affected: IBM InfoSphere Change Data Capture for z/OS
Affected: IBM InfoSphere Data Replication
Published at:
Updated at:

References

Link Tags
https://www.ibm.com/support/pages/node/6472911 patch vendor advisory
https://www.ibm.com/support/pages/node/6472909 patch vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/189834 vdb entry vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-4821?
CVE-2020-4821 has been scored as a critical severity vulnerability.
How to fix CVE-2020-4821?
To fix CVE-2020-4821, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-4821 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-4821 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-4821?
CVE-2020-4821 affects IBM InfoSphere Change Data Capture for z/OS, IBM InfoSphere Data Replication.
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