High severity · published May 12, 2017
CVE-2017-0249
An elevation of privilege vulnerability exists when the ASP.NET Core fails to properly sanitize web requests
7.3
CVSS
4.2%
EPSS
No
On KEV
Description
An elevation of privilege vulnerability exists when the ASP.NET Core fails to properly sanitize web requests.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.2% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AM
Asp.net Model View Controller · Microsoft
1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.1.0; 1.1.1; +1 more · source: NVD
MI
Microsoft.aspnetcore.mvc.abstractions · Microsoft
1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.1.0; 1.1.1; +1 more · source: NVD
MI
Microsoft.aspnetcore.mvc.apiexplorer · Microsoft
1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.1.0; 1.1.1; +1 more · source: NVD
MI
Microsoft.aspnetcore.mvc.cors · Microsoft
1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.1.0; 1.1.1; +1 more · source: NVD
MI
Microsoft.aspnetcore.mvc.dataannotations · Microsoft
1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.1.0; 1.1.1; +1 more · source: NVD
MI
Microsoft.aspnetcore.mvc.formatters.json · Microsoft
1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.1.0; 1.1.1; +1 more · source: NVD
MI
Microsoft.aspnetcore.mvc.formatters.xml · Microsoft
1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.1.0; 1.1.1; +1 more · source: NVD
MI
Microsoft.aspnetcore.mvc.localization · Microsoft
1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.1.0; 1.1.1; +1 more · source: NVD
MI
Microsoft.aspnetcore.mvc.razor · Microsoft
1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.1.0; 1.1.1; +1 more · source: NVD
MI
Microsoft.aspnetcore.mvc.razor.host · Microsoft
1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.1.0; 1.1.1; +1 more · source: NVD
MI
Microsoft.aspnetcore.mvc.taghelpers · Microsoft
1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.1.0; 1.1.1; +1 more · source: NVD
MI
Microsoft.aspnetcore.mvc.viewfeatures · Microsoft
1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.1.0; 1.1.1; +1 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-0249
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-0249
Technical Description
https://github.com/aspnet/Announcements/issues/239
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