4.6
CVSSv2

CVE-2020-5425

Published: 31/10/2020 Updated: 17/11/2020
CVSS v2 Base Score: 4.6 | Impact Score: 6.4 | Exploitability Score: 3.9
CVSS v3 Base Score: 7.9 | Impact Score: 6 | Exploitability Score: 1.3
VMScore: 409
Vector: AV:N/AC:H/Au:S/C:P/I:P/A:P

Vulnerability Summary

Single Sign-On for Vmware Tanzu all versions before 1.11.3 ,1.12.x versions before 1.12.4 and 1.13.x before 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.

Vulnerability Trend

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vmware single sign-on for tanzu