PublicCVE

CVE-2021-25220

MEDIUM6.8JSON exportCreate alert

Description

BIND 9.11.0 -> 9.11.36 9.12.0 -> 9.16.26 9.17.0 -> 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -> 9.11.36-S1 9.16.8-S1 -> 9.16.26-S1 Versions of BIND 9 earlier than those shown - back to 9.1.0, including Supported Preview Editions - are also believed to be affected but have not been tested as they are EOL. The cache could become poisoned with incorrect records leading to queries being made to the wrong servers, which might also result in false information being returned to clients.

CVSS breakdown

CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
High
Availability
None

Affected products

  • ISC / BINDOpen Source Branch 9.11 9.11.0 through versions before 9.11.37 – Open Source Branch 9.11 9.11.0 through versions before 9.11.37
  • ISC / BINDDevelopment Branch 9.17 BIND 9.17 all version – Development Branch 9.17 BIND 9.17 all version
  • ISC / BINDOpen Source Branch 9.12-16 9.12.0 through versions before 9.16.27 – Open Source Branch 9.12-16 9.12.0 through versions before 9.16.27
  • ISC / BINDOpen Source Branch 9.18 9.18.0 – Open Source Branch 9.18 9.18.0
  • ISC / BINDSupported Preview Branch 9.11-S 9.11.0-S through versions before 9.11.37-S – Supported Preview Branch 9.11-S 9.11.0-S through versions before 9.11.37-S
  • ISC / BINDSupported Preview Branch 9.16-S 9.16.0-S through versions before 9.16.27-S – Supported Preview Branch 9.16-S 9.16.0-S through versions before 9.16.27-S