Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2020-8621

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.

  • Published: Aug 21, 2020
  • Updated: Apr 14, 2023
  • CVE: CVE-2020-8621
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
isc / bind 9.17.0 9.17.3.x
isc / bind 9.14.0 9.16.5.x
opensuse / leap 15.1 15.1.x
opensuse / leap 15.2 15.2.x
canonical / ubuntu_linux 18.04 18.04.x
canonical / ubuntu_linux 20.04 20.04.x
canonical / ubuntu_linux 16.04 16.04.x
synology / dns_server - 2.2.2-5027