What is CVE-2021-33318?

CVE-2021-33318 is a critical-severity vulnerability in Ipmatcher_project Ipmatcher, classified under Incorrect Type Conversion or Cast. CVSS score: 9.8/10. Published 2022-05-16.

How severe is CVE-2021-33318?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Ipmatcher_project Ipmatcher

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 ag…

EPSS: 0.019 (77.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-704 — Incorrect Type Conversion or Cast

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-33318?: CVE-2021-33318 is a critical-severity vulnerability in Ipmatcher_project Ipmatcher, classified under Incorrect Type Conversion or Cast. CVSS score: 9.8/10. Published 2022-05-16.
How severe is CVE-2021-33318?: Critical severity. CVSS v3 base score is 9.8 out of 10.