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

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 6.8 MEDIUM

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.ibm.com/support/pages/node/6472909	Patch Vendor Advisory
https://www.ibm.com/support/pages/node/6472911	Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/189834	VDB Entry Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ibm:infosphere_data_replication:11.4:::::::*
	cpe:2.3:a:ibm:infosphere_data_replication:11.4.0:::::::*

Configuration 2 (hide)

OR	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::

Information

Published : 2021-07-16 10:15

Updated : 2021-07-29 11:04

NVD link : CVE-2020-4821

Mitre link : CVE-2020-4821

JSON object : View

CWE

CWE-287

Improper Authentication

Products Affected

ibm

infosphere_data_replication
infosphere_change_data_capture

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9.8 /10