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CVE-2021-33318

CRITICAL

9.8

Description

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 Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/16/2022

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

ipmatcher_project:ipmatcherwatsonwebserver_project:watsonwebserver

Weaknesses (CWE)

CWE-704

References

https://github.com/jchristn/IpMatcher(cve@mitre.org)

https://github.com/jchristn/IpMatcher/commit/81d77c2f33aa912dbd032b34b9e184fc6e041d89(cve@mitre.org)

https://github.com/jchristn/WatsonWebserver(cve@mitre.org)

https://github.com/kaoudis/advisories/blob/main/0-2021.md(cve@mitre.org)

https://github.com/jchristn/IpMatcher(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/jchristn/IpMatcher/commit/81d77c2f33aa912dbd032b34b9e184fc6e041d89(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/jchristn/WatsonWebserver(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/kaoudis/advisories/blob/main/0-2021.md(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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