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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2020-5425 Detail

Description

Single Sign-On for Vmware Tanzu all versions prior to 1.11.3 ,1.12.x versions prior to 1.12.4 and 1.13.x prior to 1.13.1 are vulnerable to user impersonation attack.If two users are logged in to the SSO operator dashboard at the same time, with the same username, from two different identity providers, one can acquire the token of the other and thus operate with their permissions. Note: Foundation may be vulnerable only if: 1) The system zone is set up to use a SAML identity provider 2) There are internal users that have the same username as users in the external SAML provider 3) Those duplicate-named users have the scope to access the SSO operator dashboard 4) The vulnerability doesn't appear with LDAP because of chained authentication.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 3.x Severity and Vector Strings:

NIST CVSS score
NIST: NVD
Base Score:  7.9 HIGH
Vector:  CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:H

Nist CVSS score does not match with CNA score
CNA:  Pivotal Software, Inc.
Base Score:  7.5 HIGH
Vector:  CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://tanzu.vmware.com/security/cve-2020-5425 Vendor Advisory 
https://tanzu.vmware.com/security/cve-2020-5425 Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-287 Improper Authentication cwe source acceptance level NIST   Pivotal Software, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:vmware:single_sign-on_for_tanzu:*:*:*:*:*:*:*:*
   Show Matching CPE(s) 		Up to (excluding)
1.11.3
 cpe:2.3:a:vmware:single_sign-on_for_tanzu:*:*:*:*:*:*:*:*
   Show Matching CPE(s) 		From (including)
1.12.0		Up to (excluding)
1.12.4
 cpe:2.3:a:vmware:single_sign-on_for_tanzu:*:*:*:*:*:*:*:*
   Show Matching CPE(s) 		From (including)
1.13.0		Up to (excluding)
1.13.1

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-5425
NVD Published Date:
10/31/2020
NVD Last Modified:
11/21/2024
Source:
Pivotal Software, Inc.