CVE-2021-4248

kapetan dns Request.cs entropy

Description

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.

Category

5.6
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.08%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory vuldb.com
Affected: kapetan dns
Published at:
Updated at:

References

Link Tags
https://github.com/kapetan/dns/pull/88 third party advisory patch
https://github.com/kapetan/dns/releases/tag/v7.0.0 third party advisory release notes
https://github.com/kapetan/dns/commit/cf7105aa2aae90d6656088fe5a8ee1d5730773b6 third party advisory patch
https://vuldb.com/?id.216188 third party advisory permissions required

Frequently Asked Questions

What is the severity of CVE-2021-4248?
CVE-2021-4248 has been scored as a medium severity vulnerability.
How to fix CVE-2021-4248?
To fix CVE-2021-4248, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-4248 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-4248 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-4248?
CVE-2021-4248 affects kapetan dns.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.