CVE-2020-4821

CVSS V2 Medium 6.8 CVSS V3 Critical 9.8
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
Overview
  • CVE ID
  • CVE-2020-4821
  • Assigner
  • psirt@us.ibm.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-07-16T17:15:11
  • Last Modified Date
  • 2021-07-29T18:04:36
Weakness Enumerations
CWE URL
CWE-287 http://cwe.mitre.org/data/definitions/287.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:ibm:infosphere_data_replication:11.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:ibm:infosphere_data_replication:11.4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:ibm:infosphere_change_data_capture:10.2.1:*:*:*:*:z\/os:*:* 1 OR
cpe:2.3:a:ibm:infosphere_change_data_capture:11.3.3:*:*:*:*:z\/os:*:* 1 OR
cpe:2.3:a:ibm:infosphere_change_data_capture:11.4:*:*:*:*:z\/os:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-4821
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-4821
History
Created Old Value New Value Data Type Notes
2022-05-10 06:59:05 Added to TrackCVE
2022-12-05 06:20:54 2021-07-16T17:15Z 2021-07-16T17:15:11 CVE Published Date updated
2022-12-05 06:20:54 2021-07-29T18:04:36 CVE Modified Date updated
2022-12-05 06:20:54 Analyzed Vulnerability Status updated