CVE-2021-4248 is a critical vulnerability affecting kapetan dns up to version 6.1.0, specifically within the DNS/Protocol/Request.cs file, leading to insufficient entropy in its pseudo-random number generator. This flaw allows for remote exploitation without requiring user interaction or authentication, earning a CVSS score of 9.8 (Critical). Successful exploitation could result in complete compromise of confidentiality, integrity, and availability of the affected system. While no public exploit code or active exploitation has been observed, and community discussion is minimal, upgrading to kapetan dns version 7.0.0 is strongly recommended to mitigate this high-risk vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 7.0.0CPE matchmatch criteria | cpe:2.3:a:kapetan_dns_project:kapetan_dns:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.