The SAML Single Sign-On (SSO) Service for Google Apps allows remote service providers to impersonate users at arbitrary service providers via vectors related to authentication responses that lack a request identifier and recipient field.
http://www.kb.cert.org/vuls/id/MIMG-7FQGWU
http://www.kb.cert.org/vuls/id/612636
Source: Mitre, NVD
Published: 2008-09-03
Updated: 2026-06-16
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.00132