CVE-2020-5425
Last modified
CVE-2020-5425 is a high-severity vulnerability rated 7.9/10 on the CVSS scale. 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.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.
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
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 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 |
References
- https://tanzu.vmware.com/security/cve-2020-5425Vendor Advisory
- https://tanzu.vmware.com/security/cve-2020-5425Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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