// For flags

CVE-2020-27721

 

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 versions 16.0.0-16.0.0.1, 15.1.0-15.1.1, 14.1.0-14.1.3, 13.1.0-13.1.3.5, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, in a BIG-IP DNS / BIG-IP LTM GSLB deployment, under certain circumstances, the BIG-IP DNS system may stop using a BIG-IP LTM virtual server for DNS response.

En las versiones 16.0.0-16.0.0.1, 15.1.0-15.1.1, 14.1.0-14.1.3, 13.1.0-13.1.3.5, 12.1.0-12.1.5.2 y 11.6.1-11.6.5.2 , en una implementación de BIG-IP DNS / BIG-IP LTM GSLB, bajo determinadas circunstancias, el sistema BIG-IP DNS puede dejar de usar un servidor virtual BIG-IP LTM para la respuesta de DNS

*Credits: N/A
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
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-10-26 CVE Reserved
  • 2020-12-24 CVE Published
  • 2023-09-09 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
F5
Search vendor "F5"
Big-ip Domain Name System
Search vendor "F5" for product "Big-ip Domain Name System"
>= 11.6.1 <= 11.6.5
Search vendor "F5" for product "Big-ip Domain Name System" and version " >= 11.6.1 <= 11.6.5"
-
Affected
F5
Search vendor "F5"
Big-ip Domain Name System
Search vendor "F5" for product "Big-ip Domain Name System"
>= 12.1.0 <= 12.1.5
Search vendor "F5" for product "Big-ip Domain Name System" and version " >= 12.1.0 <= 12.1.5"
-
Affected
F5
Search vendor "F5"
Big-ip Domain Name System
Search vendor "F5" for product "Big-ip Domain Name System"
>= 13.1.0 <= 13.1.3
Search vendor "F5" for product "Big-ip Domain Name System" and version " >= 13.1.0 <= 13.1.3"
-
Affected
F5
Search vendor "F5"
Big-ip Domain Name System
Search vendor "F5" for product "Big-ip Domain Name System"
>= 14.1.0 < 14.1.3.1
Search vendor "F5" for product "Big-ip Domain Name System" and version " >= 14.1.0 < 14.1.3.1"
-
Affected
F5
Search vendor "F5"
Big-ip Domain Name System
Search vendor "F5" for product "Big-ip Domain Name System"
>= 15.0.0 < 15.1.2
Search vendor "F5" for product "Big-ip Domain Name System" and version " >= 15.0.0 < 15.1.2"
-
Affected
F5
Search vendor "F5"
Big-ip Domain Name System
Search vendor "F5" for product "Big-ip Domain Name System"
>= 16.0.0 < 16.0.1
Search vendor "F5" for product "Big-ip Domain Name System" and version " >= 16.0.0 < 16.0.1"
-
Affected
F5
Search vendor "F5"
Big-ip Global Traffic Manager
Search vendor "F5" for product "Big-ip Global Traffic Manager"
>= 11.6.1 <= 11.6.5
Search vendor "F5" for product "Big-ip Global Traffic Manager" and version " >= 11.6.1 <= 11.6.5"
-
Affected
F5
Search vendor "F5"
Big-ip Global Traffic Manager
Search vendor "F5" for product "Big-ip Global Traffic Manager"
>= 12.1.0 <= 12.1.5
Search vendor "F5" for product "Big-ip Global Traffic Manager" and version " >= 12.1.0 <= 12.1.5"
-
Affected
F5
Search vendor "F5"
Big-ip Global Traffic Manager
Search vendor "F5" for product "Big-ip Global Traffic Manager"
>= 13.1.0 <= 13.1.3
Search vendor "F5" for product "Big-ip Global Traffic Manager" and version " >= 13.1.0 <= 13.1.3"
-
Affected
F5
Search vendor "F5"
Big-ip Global Traffic Manager
Search vendor "F5" for product "Big-ip Global Traffic Manager"
>= 14.1.0 < 14.1.3.1
Search vendor "F5" for product "Big-ip Global Traffic Manager" and version " >= 14.1.0 < 14.1.3.1"
-
Affected
F5
Search vendor "F5"
Big-ip Global Traffic Manager
Search vendor "F5" for product "Big-ip Global Traffic Manager"
>= 15.0.0 < 15.1.2
Search vendor "F5" for product "Big-ip Global Traffic Manager" and version " >= 15.0.0 < 15.1.2"
-
Affected
F5
Search vendor "F5"
Big-ip Global Traffic Manager
Search vendor "F5" for product "Big-ip Global Traffic Manager"
>= 16.0.0 < 16.0.1
Search vendor "F5" for product "Big-ip Global Traffic Manager" and version " >= 16.0.0 < 16.0.1"
-
Affected