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

CVE-2020-8620

Disclosure Date: August 21, 2020
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

In BIND 9.15.6 –> 9.16.5, 9.17.0 –> 9.17.3, An attacker who can establish a TCP connection with the server and send data on that connection can exploit this to trigger the assertion failure, causing the server to exit.

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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

Vendors

  • canonical,
  • isc,
  • netapp,
  • opensuse

Products

  • bind,
  • bind 9.11.21,
  • bind 9.11.3,
  • bind 9.9.12,
  • bind 9.9.13,
  • leap 15.1,
  • leap 15.2,
  • steelstore cloud integrated storage -,
  • ubuntu linux 12.04,
  • ubuntu linux 16.04,
  • ubuntu linux 18.04
Technical Analysis