CVE-2020-8618
4.9
MEDIUM
CVSS 3.1
EPSS 1.3%
Description
An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.
How to fix CVE-2020-8618
To remediate CVE-2020-8618, upgrade the affected package to a fixed version below.
- Alpine/bind—upgrade to 9.16.4-r0 or later
- Debian/bind9—upgrade to 1:9.16.4-1 or later
Is CVE-2020-8618 being exploited?
Low — EPSS is 1.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 9.16.4-r0
- from 0, < 1:9.16.4-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |