What is CVE-2021-4248?

CVE-2021-4248 is a medium-severity vulnerability in Kapetan Dns, classified under Use of Insufficiently Random Values. CVSS score: 5.6/10. Published 2022-12-18.

How severe is CVE-2021-4248?

Medium severity. CVSS v3 base score is 5.6 out of 10.

Vulnerability in Kapetan Dns

CVE-2021-4248

A vulnerability was found in kapetan dns up to 6.1.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file DNS/Protocol/Request.cs. The manipulation leads to insufficient entropy in prng. The attack may be launched remotely. Upgrading to version 7.0.0 is able to address this issue. The name of the patch is cf7105aa2aae90d6656088fe5a8ee1d5730773b6. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216188.

EPSS: 0.007 (51.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Kapetan Dns — versions 6.0, 6.1
Kapetan_dns_project Kapetan_dns

Weakness classification (CWE)

CWE-330 — Use of Insufficiently Random Values

References

cna@vuldb.com (Patch, Third Party Advisory)
cna@vuldb.com (Third Party Advisory, Release Notes)
cna@vuldb.com (Patch, Third Party Advisory)
cna@vuldb.com (Permissions Required, Third Party Advisory)

Frequently asked questions

What is CVE-2021-4248?: CVE-2021-4248 is a medium-severity vulnerability in Kapetan Dns, classified under Use of Insufficiently Random Values. CVSS score: 5.6/10. Published 2022-12-18.
How severe is CVE-2021-4248?: Medium severity. CVSS v3 base score is 5.6 out of 10.