Detections
Analytics

Echo: Microsoft.AspNetCore.Mvc.Core: security update to 1.0.0+echo.1System.Text.Encodings.Web: security update to 1.0.4

high Tenable Cloud Security Plugin ID 461340

Description

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

 - An elevation of privilege vulnerability exists when the ASP.NET Core fails to properly sanitize web
 requests. (CVE-2017-0249)

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-2017-0249

Plugin Details

Severity: High

ID: 461340

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.8

Percentile: 57.79

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2017-0249

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.4

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

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: 5/10/2017

Reference Information

CVE: CVE-2017-0249