Detections
Analytics

Echo: Microsoft.AspNetCore.Http: security update to 1.1.2+echo.1

high Tenable Self-Hosted Container Security Plugin ID 462174

Description

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

 - <p>A security feature bypass vulnerability exists in the way Microsoft ASP.NET Core parses encoded cookie
 names.</p> <p>The ASP.NET Core cookie parser decodes entire cookie strings which could allow a malicious
 attacker to set a second cookie with the name being percent encoded.</p> <p>The security update addresses
 the vulnerability by fixing the way the ASP.NET Core cookie parser handles encoded names.</p>
 (CVE-2020-1045)

Solution

Update the Microsoft.AspNetCore.Http library and its related packages to version 1.1.2+echo.1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2020-1045

Plugin Details

Severity: High

ID: 462174

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/3/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.9

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2020-1045

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:N/I:H/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: 9/8/2020

Reference Information

CVE: CVE-2020-1045