CVE-2021-25218 is a high-severity denial-of-service (DoS) vulnerability affecting specific versions of BIND 9 (9.16.19, 9.17.16, and 9.16.19-S1 of the Supported Preview Edition), including those in Fedora Project distributions. An unauthenticated attacker can remotely trigger a crash in the 'named' process by sending a specially crafted query, leading to service unavailability. While no public exploit code or active exploitation has been confirmed, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
9.16.19CPE matchmatch criteria | cpe:2.3:a:isc:bind:9.16.19:*:*:*:-:*:*:* | ||
9.17.16CPE matchmatch criteria | cpe:2.3:a:isc:bind:9.17.16:*:*:*:-:*:*:* | ||
9.17.16CPE matchmatch criteria | cpe:2.3:a:isc:bind:9.17.16:s1:*:*:supported_preview:*:*:* | ||
34CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.