Strix
26.1K

CVE-2020-1476

MEDIUMCVSS 5.5/10EPSS 1.13%

Last modified

CVE-2020-1476 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 1.13% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.5/10

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

EPSS Probability
1.13%

62.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
Microsoft.Net Framework2.0Sp2
Microsoft.Net Framework3.5—
Microsoft.Net Framework4.6.2—
Microsoft.Net Framework4.7—
Microsoft.Net Framework4.7.1—
Microsoft.Net Framework4.7.2—
Microsoft.Net Framework4.6—
Microsoft.Net Framework4.6.1—
Microsoft.Net Framework4.8—
Microsoft.Net Framework3.5.1—
Microsoft.Net Framework4.5.2—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-1476?
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.
How severe is CVE-2020-1476?
CVE-2020-1476 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.13% probability of exploitation in the next 30 days.
How do I fix CVE-2020-1476?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-1476?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST