CVE-2020-8617 is a denial-of-service vulnerability affecting BIND servers, including those from Canonical, Debian, Fedora Project, ISC, and OpenSUSE. An attacker can trigger an inconsistent state, causing the server to exit, by sending a specially crafted message if they know or guess a TSIG key name. This medium-severity vulnerability has a CVSS score of 5.9, indicating a network attack vector with high attack complexity and high availability impact. While not listed on CISA's KEV catalog, exploit modules exist in Metasploit and ExploitDB, and its EPSS score of 0.92629 suggests a high likelihood of exploitation, despite minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 9.0.0, <= 9.11.18CPE matchmatch criteria | cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* | ||
>= 9.12.0, <= 9.12.4CPE matchmatch criteria | cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* | ||
>= 9.13.0, <= 9.13.7CPE matchmatch criteria | cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* | ||
>= 9.14.0, <= 9.14.11CPE matchmatch criteria | cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* | ||
>= 9.15.0, <= 9.15.6CPE matchmatch criteria | cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* |
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, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.