CVE Vulnerability

CVE-2021-33318

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.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/kaoudis/advisories/blob/main/0-2021.md Exploit Third Party Advisory
https://github.com/jchristn/IpMatcher/commit/81d77c2f33aa912dbd032b34b9e184fc6e041d89 Patch Third Party Advisory
https://github.com/jchristn/WatsonWebserver Third Party Advisory
https://github.com/jchristn/IpMatcher Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:watsonwebserver_project:watsonwebserver:*:*:*:*:*:*:*:*
cpe:2.3:a:ipmatcher_project:ipmatcher:*:*:*:*:*:*:*:*
Information

Published : 2022-05-16 04:15

Updated : 2022-05-25 02:03

NVD link : CVE-2021-33318

Mitre link : CVE-2021-33318

Products Affected
No products.
CWE
CWE-20