Detections
Analytics

SCA: security update for IpMatcher (GHSA-qj93-37f5-mr29)

critical Tenable Cloud Security Plugin ID 418168

Description

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

 - An Input Validation Vulnerability exists in Joel Christner .NET C# packages WatsonWebserver, IpMatcher
 1.0.4.1 and below (IpMatcher) and 4.1.3 and below (WatsonWebserver) due to insufficient validation of
 input IP addresses and netmasks against the internal Matcher list of IP addresses and subnets.
 (CVE-2021-33318)

See Also

https://github.com/advisories/GHSA-qj93-37f5-mr29

Plugin Details

Severity: Critical

ID: 418168

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 1/23/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2021-33318

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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: 5/17/2022

Vulnerability Publication Date: 5/16/2022

Reference Information

CVE: CVE-2021-33318