SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-8700

ASP.NET Core 1.0, 1.1, and 2.0 allow an attacker to bypass Cross-origin Resource Sharing (CORS) configurations and retrieve normally restricted content from a web application, aka "ASP.NET Core Information Disclosure Vulnerability".

HIGH 7.5EPSS 10.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 10.5%, higher than 95% of all known CVEs. Patch or mitigate before the next change window.

Description

ASP.NET Core 1.0, 1.1, and 2.0 allow an attacker to bypass Cross-origin Resource Sharing (CORS) configurations and retrieve normally restricted content from a web application, aka "ASP.NET Core Information Disclosure Vulnerability".

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
10.48% probability · 95th percentile
CISA KEV
Not listed
Affected
microsoft/asp.net core
Source
secure@microsoft.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.