CVE-2021-33318

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

9.8 /10

CVSS v3 : 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

7.5 /10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

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

Configuration 1 (hide)

OR cpe:2.3:a:ipmatcher_project:ipmatcher:*:*:*:*:*:*:*:*
cpe:2.3:a:watsonwebserver_project:watsonwebserver:*:*:*:*:*:*:*:*
History

21 Nov 2024, 06:08

Type Values Removed Values Added
References () https://github.com/jchristn/IpMatcher - Third Party Advisory () https://github.com/jchristn/IpMatcher - Third Party Advisory
References () https://github.com/jchristn/IpMatcher/commit/81d77c2f33aa912dbd032b34b9e184fc6e041d89 - Patch, Third Party Advisory () https://github.com/jchristn/IpMatcher/commit/81d77c2f33aa912dbd032b34b9e184fc6e041d89 - Patch, Third Party Advisory
References () https://github.com/jchristn/WatsonWebserver - Third Party Advisory () https://github.com/jchristn/WatsonWebserver - Third Party Advisory
References () https://github.com/kaoudis/advisories/blob/main/0-2021.md - Exploit, Third Party Advisory () https://github.com/kaoudis/advisories/blob/main/0-2021.md - Exploit, Third Party Advisory

08 Aug 2023, 14:22

Type Values Removed Values Added
CWE CWE-20 CWE-704

25 May 2022, 14:03

Type Values Removed Values Added
References (MISC) https://github.com/kaoudis/advisories/blob/main/0-2021.md - (MISC) https://github.com/kaoudis/advisories/blob/main/0-2021.md - Exploit, Third Party Advisory
References (MISC) https://github.com/jchristn/WatsonWebserver - (MISC) https://github.com/jchristn/WatsonWebserver - Third Party Advisory
References (MISC) https://github.com/jchristn/IpMatcher - (MISC) https://github.com/jchristn/IpMatcher - Third Party Advisory
References (MISC) https://github.com/jchristn/IpMatcher/commit/81d77c2f33aa912dbd032b34b9e184fc6e041d89 - (MISC) https://github.com/jchristn/IpMatcher/commit/81d77c2f33aa912dbd032b34b9e184fc6e041d89 - Patch, Third Party Advisory
CPE cpe:2.3:a:watsonwebserver_project:watsonwebserver:*:*:*:*:*:*:*:*
cpe:2.3:a:ipmatcher_project:ipmatcher:*:*:*:*:*:*:*:*
CWE CWE-20
CVSS v2 : unknown
v3 : unknown 		v2 : 7.5
v3 : 9.8

16 May 2022, 16:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-05-16 16:15

Updated : 2024-11-21 06:08

NVD link : CVE-2021-33318

Mitre link : CVE-2021-33318

CVE.ORG link : CVE-2021-33318

JSON object : View

Products Affected

watsonwebserver_project

  • watsonwebserver

ipmatcher_project

  • ipmatcher
CWE
CWE-704

Incorrect Type Conversion or Cast