CVE-2020-4821
Last modified
CVE-2020-4821 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 2.00% chance of exploitation in the next 30 days.
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
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ibm | Infosphere Data Replication | 11.4 |
| Ibm | Infosphere Data Replication | 11.4.0 |
| Ibm | Infosphere Change Data Capture | 10.2.1 |
| Ibm | Infosphere Change Data Capture | 11.3.3 |
| Ibm | Infosphere Change Data Capture | 11.4 |
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/189834VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6472909Patch, Vendor Advisory
- https://www.ibm.com/support/pages/node/6472911Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/189834VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6472909Patch, Vendor Advisory
- https://www.ibm.com/support/pages/node/6472911Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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