CVE-2021-33318

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2021-33318
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-05-16 16:15:00 UTC
Updated2023-08-08 14:22:00 UTC
DescriptionAn 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.

Risk And Classification

Problem Types: CWE-704

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Ipmatcher Project Ipmatcher All All All All
Application Watsonwebserver Project Watsonwebserver All All All All

References

ReferenceSourceLinkTags
advisories/0-2021.md at main · kaoudis/advisories · GitHub MISC github.com
GitHub - jchristn/IpMatcher: C# library for maintaining a match list of IP addresses and networks and comparing inputs to see if a match exists. MISC github.com
NuGet v1.0.4.2, fix for SICK-2021-060 · jchristn/IpMatcher@81d77c2 · GitHub MISC github.com
GitHub - jchristn/WatsonWebserver: Watson is the fastest, easiest way to build scalable RESTful web servers and services in C#. MISC github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report