Detections
Analytics

Echo: Microsoft.AspNetCore.Mvc.Core: security update to 1.0.0+echo.1

high Tenable Cloud Security Plugin ID 455347

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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". (CVE-2017-8700)

Solution

Update the Microsoft.AspNetCore.Mvc.Core library and its related packages to version 1.0.0+echo.1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2017-8700

Plugin Details

Severity: High

ID: 455347

Version: Revision 1.2

Type: Local

Published: 10/1/2026

Updated: 10/5/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2017-8700

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/17/2026

Vulnerability Publication Date: 11/14/2017

Reference Information

CVE: CVE-2017-8700