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

CVE-2021-25214

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

Description

In BIND 9.8.5 –> 9.8.8, 9.9.3 –> 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 9 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 malformed IXFR triggering the flaw described above, the named process will terminate due to a failed assertion the next time the transferred secondary zone is refreshed.

Add Assessment

No one has assessed this topic. Be the first to add your voice to the community.

CVSS V3 Severity and Metrics
Base Score:
6.5 Medium
Impact Score:
3.6
Exploitability Score:
2.8
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

Vendors

  • ISC

Products

  • BIND9

Additional Info

Technical Analysis