CVE-2020-8621
7.5
HIGH
CVSS 3.1
EPSS 2.9%
Description
In BIND 9.14.0 -> 9.16.5, 9.17.0 -> 9.17.3, If a server is configured with both QNAME minimization and 'forward first' then an attacker who can send queries to it may be able to trigger the condition that will cause the server to crash. Servers that 'forward only' are not affected.
How to fix CVE-2020-8621
To remediate CVE-2020-8621, upgrade the affected package to a fixed version below.
- Alpine/bind—upgrade to 9.16.6-r0 or later
Is CVE-2020-8621 being exploited?
Low — EPSS is 2.9%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 9.14.0, < 9.16.6-r0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |