CVE-2020-27721

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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 4.3 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://support.f5.com/csp/article/K52035247	Vendor Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:f5:big-ip_domain_name_system::::::::
	cpe:2.3:a:f5:big-ip_domain_name_system::::::::
	cpe:2.3:a:f5:big-ip_domain_name_system::::::::
	cpe:2.3:a:f5:big-ip_domain_name_system::::::::
	cpe:2.3:a:f5:big-ip_domain_name_system::::::::
	cpe:2.3:a:f5:big-ip_domain_name_system::::::::
	cpe:2.3:a:f5:big-ip_global_traffic_manager::::::::
	cpe:2.3:a:f5:big-ip_global_traffic_manager::::::::
	cpe:2.3:a:f5:big-ip_global_traffic_manager::::::::
	cpe:2.3:a:f5:big-ip_global_traffic_manager::::::::
	cpe:2.3:a:f5:big-ip_global_traffic_manager::::::::
	cpe:2.3:a:f5:big-ip_global_traffic_manager::::::::

Information

Published : 2020-12-24 07:15

Updated : 2020-12-28 10:42

NVD link : CVE-2020-27721

Mitre link : CVE-2020-27721

JSON object : View

CWE

NVD-CWE-noinfo

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Products Affected

f5

big-ip_domain_name_system
big-ip_global_traffic_manager

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