CVE-2010-3332
Microsoft .NET Framework 1.1 SP1, 2.0 SP1 and SP2, 3.5, 3.5 SP1, 3.5.1, and 4.0, as used for ASP.NET in Microsoft Internet Information Services (IIS), provides detailed error codes during decryption attempts, which allows remote attackers to decrypt and modify encrypted View State (aka __VIEWSTATE) form data, and possibly forge cookies or read application files, via a padding oracle attack, aka "ASP.NET Padding Oracle Vulnerability."
Key facts
- CVSS score
- 6.4 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:N- Weakness (CWE)
- CWE-209
- EPSS score
- 68.2% (99th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2010-3330)
- Published
- September 22, 2010
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2010-3330 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- microsoft / .net framework
- microsoft / .net framework
- microsoft / .net framework
- microsoft / .net framework
- microsoft / .net framework
- microsoft / .net framework
- microsoft / .net framework
- microsoft / internet information services
References
- http://blogs.technet.com/b/srd/archive/2010/09/17/understanding-the-asp-net-vulnerability.aspx(Vendor Advisory)
- http://isc.sans.edu/diary.html?storyid=9568(Third Party Advisory)
- http://pentonizer.com/general-programming/aspnet-poet-vulnerability-what-else-can-i-do/(Third Party Advisory)
- http://secunia.com/advisories/41409(Third Party Advisory)
- http://securitytracker.com/id?1024459(Third Party Advisory, VDB Entry)
- http://threatpost.com/en_us/blogs/new-crypto-attack-affects-millions-aspnet-apps-091310(Third Party Advisory)
- http://twitter.com/thaidn/statuses/24832350146(Broken Link)
- http://weblogs.asp.net/scottgu/archive/2010/09/18/important-asp-net-security-vulnerability.aspx(Mitigation, Third Party Advisory)
- http://www.dotnetnuke.com/Community/Blogs/tabid/825/EntryId/2799/Oracle-Padding-Vulnerability-in-ASP-NET.aspx(Third Party Advisory)
- http://www.ekoparty.org/juliano-rizzo-2010.php(Broken Link)
- http://www.microsoft.com/technet/security/advisory/2416728.mspx(Broken Link)
- http://www.mono-project.com/Vulnerabilities#ASP.NET_Padding_Oracle(Exploit, Third Party Advisory)
- http://www.securityfocus.com/bid/43316(Third Party Advisory, VDB Entry)
- http://www.theinquirer.net/inquirer/news/1732956/security-researchers-destroy-microsoft-aspnet-security(Third Party Advisory)
- http://www.troyhunt.com/2010/09/fear-uncertainty-and-and-padding-oracle.html(Exploit, Third Party Advisory)
- http://www.vupen.com/english/advisories/2010/2429(Third Party Advisory)
- http://www.vupen.com/english/advisories/2010/2751(Third Party Advisory)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-070(Patch, Vendor Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/61898(Third Party Advisory, VDB Entry)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12365(Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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