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CVE-2011-3415

35
FAUCET Score

CVE-2011-3415 describes an open redirect vulnerability within the Forms Authentication feature of Microsoft .NET Framework versions 2.0 SP2, 3.5 SP1, 3.5.1, and 4.0, affecting various Windows operating systems. This flaw allows remote attackers to redirect users to arbitrary malicious websites through a crafted return URL, facilitating phishing attacks. With a CVSS score of 6.8, it is considered a medium-severity vulnerability, requiring medium attack complexity and potentially leading to partial confidentiality, integrity, and availability impacts. Despite its high FAUCET risk score of 96/100, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_7:-:sp1:x64:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_7:-:sp1:x86:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_server_2008:*:r2:x64:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
24.14%
Probability of exploitation in next 30 days
EPSS Percentile
97.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.2414 is in the 98th percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvndb.jvn.jp / jvndb/JVNDB-2011-003557
jvn.jp / en/jp/JVN71256611/index.html
docs.microsoft.com / en-us/security-updates/securitybulletins/2011/ms11-100
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14815
securityfocus.com / bid/51202