CVE-2020-8621 is a high-severity denial-of-service vulnerability affecting specific versions of ISC BIND 9, including those used by Canonical, NetApp, OpenSUSE, and Synology. The flaw allows an unauthenticated attacker to crash a BIND server configured with both QNAME minimization and 'forward first' by sending specially crafted queries. While the CVSS score is 7.5, indicating high severity, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 9.14.0, <= 9.16.5CPE matchmatch criteria | cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* | ||
>= 9.17.0, <= 9.17.3CPE matchmatch criteria | cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:* | ||
15.1CPE matchmatch criteria | cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* | ||
15.2CPE matchmatch criteria | cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* |
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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.