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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.008 (54.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.000
Affected products
- Kapetan DNS — versions 6.0, 6.1
- Kapetan DNS Project
Weakness classification (CWE)
References
- github.com/kapetan/dns/pull/88 (Patch, Third Party Advisory)
- github.com/kapetan/dns/releases/tag/v7.0.0 (Third Party Advisory, Release Notes)
- github.com/kapetan/dns/commit/cf7105aa2aae90d6656088fe5a8ee1d5730773b6 (Patch, Third Party Advisory)
- 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.