Detections
Analytics

Echo: RestSharp: security update to 106.10.1+echo.1

high Tenable Cloud Security Plugin ID 459227

Description

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

 - RestSharp < 106.11.8-alpha.0.13 uses a regular expression which is vulnerable to Regular Expression Denial
 of Service (ReDoS) when converting strings into DateTimes. If a server responds with a malicious string,
 the client using RestSharp will be stuck processing it for an exceedingly long time. Thus the remote
 server can trigger Denial of Service. (CVE-2021-27293)

Solution

Update the RestSharp library and its related packages to version 106.10.1+echo.1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2021-27293

Plugin Details

Severity: High

ID: 459227

Version: Revision 1.1

Type: Local

Published: 10/2/2026

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: 3.9

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

CVSS Score Source: CVE-2021-27293

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/17/2026

Vulnerability Publication Date: 7/12/2021

Reference Information

CVE: CVE-2021-27293