CVE-2011-3415 json
Open redirect vulnerability in the Forms Authentication feature in the ASP.NET subsystem in Microsoft .NET Framework 2.0 SP2, 3.5 SP1, 3.5.…
published 2011-12-30 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3378
- cvss
- 6.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 23.0%
- EPSS 23.0% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
Open redirect vulnerability in the Forms Authentication feature in the ASP.NET subsystem in Microsoft .NET Framework 2.0 SP2, 3.5 SP1, 3.5.1, and 4.0 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a crafted return URL, aka "Insecure Redirect in .NET Form Authentication Vulnerability."
Exploit prediction
22.95% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2011/ms11-100
vendor-advisory
-
jvn.jp
/en/jp/JVN71256611/index.html
third-party-advisory
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14815
vdb-entry, signature
-
securityfocus.com
/bid/51202
vdb-entry
-
jvndb.jvn.jp
/jvndb/JVNDB-2011-003557
third-party-advisory
Sources
- CVE List CVE-2011-3415
- NVD CVE-2011-3415
Fencer Intel 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.