CVE-2020-1476

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker to access restricted files on a web server running ASP.NET or .NET applications if they send a specially crafted request. To exploit this, the attacker needs to target a server that has not been updated to fix this issue.

Technical 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.

CVSS Vector Analysis

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
Confidentiality ImpactHigh
Integrity ImpactNone
Availability ImpactNone
ScopeUnchanged

Vector String

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Resources

Search for proof-of-concept code and exploit modules

Official References

Est. Bounty
$759($500-$1K)
Vendor Response
Grade FPatched in 2015 days

Quick Information

Published

Aug 17, 2020

over 5 years ago

Last Modified

Feb 23, 2026

about 1 month ago

Vendor

microsoft

Product

.net framework

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