VULNERABILITY INTELLIGENCE
CVE-2020-8621
CVSS score7.5 HIGH
EPSS probability3.06%
CISA KEVNot currently listed
Published2020-08-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- nvd@nist.gov: CWE-617
Primary references
- security-officer@isc.org — Mailing List, Third Party Advisory
- security-officer@isc.org — Mailing List, Third Party Advisory
- security-officer@isc.org — Vendor Advisory
- security-officer@isc.org — Third Party Advisory
- security-officer@isc.org — Third Party Advisory
- security-officer@isc.org — Third Party Advisory
- security-officer@isc.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory