CVEvulnerability

CVE-2020-5425

7.9 HIGH Published 2020-10-31 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-10-31
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.9 HIGH — CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:H
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:H/A:H
CVSS 2.0 ([email protected])
4.6 MEDIUM — AV:N/AC:H/Au:S/C:P/I:P/A:P
Weaknesses
CWE-287

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.

Affected configurations

• vmware single sign-on for tanzu (< 1.11.3) • vmware single sign-on for tanzu (>= 1.12.0 < 1.12.4) • vmware single sign-on for tanzu (>= 1.13.0 < 1.13.1)

Related

Weakness · CWE (1)

  • CWE-287 Improper Authentication weakness

References