Vulnerability Monitor

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CVE-2020-5425

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.

Published

2020-10-31T22:15:11.877

Last Modified

2024-11-21T05:34:08.760

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.9 (HIGH)

CVSSv2 Vector

AV:N/AC:H/Au:S/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: HIGH
  • Authentication: SINGLE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

3.9

Impact Score

6.4

Weaknesses
  • Type: Secondary
    CWE-287
  • Type: Primary
    CWE-287
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application vmware single_sign-on_for_tanzu < 1.11.3 Yes
Application vmware single_sign-on_for_tanzu < 1.12.4 Yes
Application vmware single_sign-on_for_tanzu < 1.13.1 Yes
References