Auth bypass in Ibm Infosphere_change_data_capture
CVE-2020-4821
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
Vulnerability class: Broken Authentication
EPSS: 0.020 (78.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Ibm Infosphere_change_data_capture — versions 10.2.1, 11.3.3, 11.4
- Ibm Infosphere Change Data Capture For Z/os — versions 10.2.1
- Ibm Infosphere Data Replication — versions 11.4
- Ibm Infosphere_data_replication — versions 11.4, 11.4.0
Weakness classification (CWE)
References
- psirt@us.ibm.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- psirt@us.ibm.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- psirt@us.ibm.com (VDB Entry, vdb-entry, Vendor Advisory, x_refsource_XF)
Frequently asked questions
- What is CVE-2020-4821?
- CVE-2020-4821 is a critical-severity vulnerability in Ibm Infosphere_change_data_capture, classified under Improper Authentication. CVSS score: 9.8/10. Published 2021-07-16.
- How severe is CVE-2020-4821?
- Critical severity. CVSS v3 base score is 9.8 out of 10.