// For flags

CVE-2020-8620

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

En BIND versiones 9.15.6 -) 9.16.5, 9.17.0 -) 9.17.3, un atacante que puede establecer una conexión TCP con el servidor y enviar datos en esa conexión puede explotar esto para desencadenar el fallo de aserción, causando la salida del servidor.

*Credits: ISC would like to thank Emanuel Almeida of Cisco Systems, Inc. for bringing this vulnerability to our attention.
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-02-05 CVE Reserved
  • 2020-08-21 CVE Published
  • 2024-07-27 EPSS Updated
  • 2024-09-17 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-617: Reachable Assertion
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Isc
Search vendor "Isc"
Bind
Search vendor "Isc" for product "Bind"
>= 9.15.6 <= 9.16.5
Search vendor "Isc" for product "Bind" and version " >= 9.15.6 <= 9.16.5"
-
Affected
Isc
Search vendor "Isc"
Bind
Search vendor "Isc" for product "Bind"
>= 9.17.0 <= 9.17.3
Search vendor "Isc" for product "Bind" and version " >= 9.17.0 <= 9.17.3"
-
Affected
Isc
Search vendor "Isc"
Bind
Search vendor "Isc" for product "Bind"
9.9.12
Search vendor "Isc" for product "Bind" and version "9.9.12"
s1, supported_preview
Affected
Isc
Search vendor "Isc"
Bind
Search vendor "Isc" for product "Bind"
9.9.13
Search vendor "Isc" for product "Bind" and version "9.9.13"
s1, supported_preview
Affected
Isc
Search vendor "Isc"
Bind
Search vendor "Isc" for product "Bind"
9.11.3
Search vendor "Isc" for product "Bind" and version "9.11.3"
s1, supported_preview
Affected
Isc
Search vendor "Isc"
Bind
Search vendor "Isc" for product "Bind"
9.11.21
Search vendor "Isc" for product "Bind" and version "9.11.21"
s1, supported_preview
Affected
Opensuse
Search vendor "Opensuse"
Leap
Search vendor "Opensuse" for product "Leap"
15.1
Search vendor "Opensuse" for product "Leap" and version "15.1"
-
Affected
Opensuse
Search vendor "Opensuse"
Leap
Search vendor "Opensuse" for product "Leap"
15.2
Search vendor "Opensuse" for product "Leap" and version "15.2"
-
Affected
Netapp
Search vendor "Netapp"
Steelstore Cloud Integrated Storage
Search vendor "Netapp" for product "Steelstore Cloud Integrated Storage"
--
Affected
Canonical
Search vendor "Canonical"
Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
12.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"
lts
Affected
Canonical
Search vendor "Canonical"
Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
16.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"
esm
Affected
Canonical
Search vendor "Canonical"
Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
18.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"
lts
Affected