Critical severity9.8NVD Advisory· Published Jul 16, 2021· Updated Jun 17, 2026
CVE-2020-4821
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
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
910.2.1+ 1 more
- (no CPE)range: 10.2.1
- (no CPE)range: 10.2.1
- Range: 11.4
- Range: 11.4
cpe:2.3:a:ibm:infosphere_data_replication:11.4:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:ibm:infosphere_data_replication:11.4:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:infosphere_data_replication:11.4.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:infosphere_change_data_capture:10.2.1:*:*:*:*:z\/os:*:*+ 2 more
- cpe:2.3:a:ibm:infosphere_change_data_capture:10.2.1:*:*:*:*:z\/os:*:*
- cpe:2.3:a:ibm:infosphere_change_data_capture:11.3.3:*:*:*:*:z\/os:*:*
- cpe:2.3:a:ibm:infosphere_change_data_capture:11.4:*:*:*:*:z\/os:*:*
Patches
Vulnerability mechanics
References
3- www.ibm.com/support/pages/node/6472909nvdPatchVendor Advisory
- www.ibm.com/support/pages/node/6472911nvdPatchVendor Advisory
- exchange.xforce.ibmcloud.com/vulnerabilities/189834nvdVDB EntryVendor Advisory
News mentions
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