CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2020-8621
High (7.5). EPSS 3.1% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 3.1% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
- CWE
- CWE-617
- Published
- Modified
- Record from
- the NVD, synced
Affected
- canonical:ubuntu_linux
- isc:bind
- netapp:steelstore_cloud_integrated_storage
- opensuse:leap
- synology:dns_server