Description
An elevation of privilege vulnerability exists when ASP.NET or .NET web applications running on IIS improperly allow access to cached files. An attacker who successfully exploited this vulnerability could gain access to restricted files. To exploit this vulnerability, an attacker would need to send a specially crafted request to an affected server. The update addresses the vulnerability by changing how ASP.NET and .NET handle requests.
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1476
Scores
CVSS v3
5.5
EPSS
0.0113
EPSS Percentile
63.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
Status
published
Products (11)
microsoft/.net_framework
2.0 sp2
microsoft/.net_framework
3.5
microsoft/.net_framework
4.6.2
microsoft/.net_framework
4.7
microsoft/.net_framework
4.7.1
microsoft/.net_framework
4.7.2
microsoft/.net_framework
4.6
microsoft/.net_framework
4.6.1
microsoft/.net_framework
4.8
microsoft/.net_framework
3.5.1
... and 1 more
Published
Aug 17, 2020
Tracked Since
Feb 18, 2026