CVE-2009-0091
Microsoft .NET Framework 2.0, 2.0 SP1, and 3.5 does not properly enforce a certain type-equality constraint in .NET verifiable code, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (XBAP), (2) a crafted…
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EPSS puts the probability of exploitation in the next 30 days at 25.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
Microsoft .NET Framework 2.0, 2.0 SP1, and 3.5 does not properly enforce a certain type-equality constraint in .NET verifiable code, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (XBAP), (2) a crafted ASP.NET application, or (3) a crafted .NET Framework application, aka "Microsoft .NET Framework Type Verification Vulnerability."
- CVSS 2.0
- 9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 25.81% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-94
- Affected
- microsoft/windows 2000 · microsoft/.net framework · microsoft/windows server 2003 · microsoft/windows server 2008 · microsoft/windows vista · microsoft/windows 7 · microsoft/windows xp
- Source
- secure@microsoft.com
References
- http://www.us-cert.gov/cas/techalerts/TA09-286A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-061
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6451
- http://www.us-cert.gov/cas/techalerts/TA09-286A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-061
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6451
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.