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Vulnerability Details :

CVE-2020-27721

Summary
Assigner-f5
Assigner Org ID-9dacffd4-cb11-413f-8451-fbbfd4ddc0ab
Published At-24 Dec, 2020 | 14:52
Updated At-04 Aug, 2024 | 16:18
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:f5
Assigner Org ID:9dacffd4-cb11-413f-8451-fbbfd4ddc0ab
Published At:24 Dec, 2020 | 14:52
Updated At:04 Aug, 2024 | 16:18
Rejected At:
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
n/a
Product
BIG-IP GTM & DNS
Versions
Affected
  • 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, 11.6.1-11.6.5.2
Problem Types
TypeCWE IDDescription
textN/ADoS
Type: text
CWE ID: N/A
Description: DoS
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://support.f5.com/csp/article/K52035247
x_refsource_MISC
Hyperlink: https://support.f5.com/csp/article/K52035247
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://support.f5.com/csp/article/K52035247
x_refsource_MISC
x_transferred
Hyperlink: https://support.f5.com/csp/article/K52035247
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:f5sirt@f5.com
Published At:24 Dec, 2020 | 15:15
Updated At:28 Dec, 2020 | 18:42

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary2.04.3MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
Type: Primary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Primary
Version: 2.0
Base score: 4.3
Base severity: MEDIUM
Vector:
AV:N/AC:M/Au:N/C:N/I:N/A:P
CPE Matches
F5, Inc.
f5
>>big-ip_domain_name_system>>Versions from 11.6.1(inclusive) to 11.6.5(inclusive)
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
F5, Inc.
f5
>>big-ip_domain_name_system>>Versions from 12.1.0(inclusive) to 12.1.5(inclusive)
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
F5, Inc.
f5
>>big-ip_domain_name_system>>Versions from 13.1.0(inclusive) to 13.1.3(inclusive)
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
F5, Inc.
f5
>>big-ip_domain_name_system>>Versions from 14.1.0(inclusive) to 14.1.3.1(exclusive)
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
F5, Inc.
f5
>>big-ip_domain_name_system>>Versions from 15.0.0(inclusive) to 15.1.2(exclusive)
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
F5, Inc.
f5
>>big-ip_domain_name_system>>Versions from 16.0.0(inclusive) to 16.0.1(exclusive)
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
F5, Inc.
f5
>>big-ip_global_traffic_manager>>Versions from 11.6.1(inclusive) to 11.6.5(inclusive)
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
F5, Inc.
f5
>>big-ip_global_traffic_manager>>Versions from 12.1.0(inclusive) to 12.1.5(inclusive)
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
F5, Inc.
f5
>>big-ip_global_traffic_manager>>Versions from 13.1.0(inclusive) to 13.1.3(inclusive)
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
F5, Inc.
f5
>>big-ip_global_traffic_manager>>Versions from 14.1.0(inclusive) to 14.1.3.1(exclusive)
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
F5, Inc.
f5
>>big-ip_global_traffic_manager>>Versions from 15.0.0(inclusive) to 15.1.2(exclusive)
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
F5, Inc.
f5
>>big-ip_global_traffic_manager>>Versions from 16.0.0(inclusive) to 16.0.1(exclusive)
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
NVD-CWE-noinfoPrimarynvd@nist.gov
CWE ID: NVD-CWE-noinfo
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://support.f5.com/csp/article/K52035247f5sirt@f5.com
Vendor Advisory
Hyperlink: https://support.f5.com/csp/article/K52035247
Source: f5sirt@f5.com
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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||
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Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
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KEV Action Due Date-Not Available

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