CVE-2008-3891 json
The SAML Single Sign-On (SSO) Service for Google Apps allows remote service providers to impersonate users at arbitrary service providers v…
published 2008-09-03 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-3877
- cvss
- 7.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 44%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.51% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
- kb.cert.org /vuls/id/MIMG-7FQGWU
-
kb.cert.org
/vuls/id/612636
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2008-3891
- NVD CVE-2008-3891
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.