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NVD Vulnerability Details :
CVE-2021-33318
Analyzed
More InfoOfficial Page
Source-cve@mitre.org
View Known Exploited Vulnerability (KEV) details
Published At-16 May, 2022 | 16:15
Updated At-08 Aug, 2023 | 14:22

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary2.07.5HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
Type: Primary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 7.5
Base severity: HIGH
Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CPE Matches
ipmatcher_project
ipmatcher_project
>>ipmatcher>>Versions up to 1.0.4.1(inclusive)
cpe:2.3:a:ipmatcher_project:ipmatcher:*:*:*:*:*:*:*:*
watsonwebserver_project
watsonwebserver_project
>>watsonwebserver>>Versions up to 4.1.3(inclusive)
cpe:2.3:a:watsonwebserver_project:watsonwebserver:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-704Primarynvd@nist.gov
CWE ID: CWE-704
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/jchristn/IpMatchercve@mitre.org
Third Party Advisory
https://github.com/jchristn/IpMatcher/commit/81d77c2f33aa912dbd032b34b9e184fc6e041d89cve@mitre.org
Patch
Third Party Advisory
https://github.com/jchristn/WatsonWebservercve@mitre.org
Third Party Advisory
https://github.com/kaoudis/advisories/blob/main/0-2021.mdcve@mitre.org
Exploit
Third Party Advisory
Hyperlink: https://github.com/jchristn/IpMatcher
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://github.com/jchristn/IpMatcher/commit/81d77c2f33aa912dbd032b34b9e184fc6e041d89
Source: cve@mitre.org
Resource:
Patch
Third Party Advisory
Hyperlink: https://github.com/jchristn/WatsonWebserver
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://github.com/kaoudis/advisories/blob/main/0-2021.md
Source: cve@mitre.org
Resource:
Exploit
Third Party Advisory
Change History
0Changes found
Details not found