CVE-2020-4821 — CRITICAL (9.8)

Vulnerability 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

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Ibm	Infosphere Data Replication	11.4
Ibm	Infosphere Change Data Capture	10.2.1

Related Weaknesses (CWE)

CWE-287

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/189834VDB EntryVendor Advisory
https://www.ibm.com/support/pages/node/6472909PatchVendor Advisory
https://www.ibm.com/support/pages/node/6472911PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/189834VDB EntryVendor Advisory
https://www.ibm.com/support/pages/node/6472909PatchVendor Advisory
https://www.ibm.com/support/pages/node/6472911PatchVendor Advisory

FAQ

What is CVE-2020-4821?

CVE-2020-4821 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 passwor...

How severe is CVE-2020-4821?

CVE-2020-4821 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-4821?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm Infosphere Data Replication, Ibm Infosphere Change Data Capture.