Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
1

CVE-2021-25215

Disclosure Date: April 28, 2021
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

In BIND 9.0.0 –> 9.11.29, 9.12.0 –> 9.16.13, and versions BIND 9.9.3-S1 –> 9.11.29-S1 and 9.16.8-S1 –> 9.16.13-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 –> 9.17.11 of the BIND 9.17 development branch, when a vulnerable version of named receives a query for a record triggering the flaw described above, the named process will terminate due to a failed assertion check. The vulnerability affects all currently maintained BIND 9 branches (9.11, 9.11-S, 9.16, 9.16-S, 9.17) as well as all other versions of BIND 9.

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CVSS V3 Severity and Metrics
Base Score:
7.5 High
Impact Score:
3.6
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

References

Additional Info

Technical Analysis