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 7.5 HIGH
CVSS v2.0 4.3 MEDIUM

7.5^/10

CVSS v3 : 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
https://support.f5.com/csp/article/K52035247	Vendor Advisory

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::::::::

History

21 Nov 2024, 05:21

Type	Values Removed	Values Added
References	~~() https://support.f5.com/csp/article/K52035247 - Vendor Advisory~~	() https://support.f5.com/csp/article/K52035247 - Vendor Advisory

Information

Published : 2020-12-24 15:15

Updated : 2024-11-21 05:21

NVD link : CVE-2020-27721

Mitre link : CVE-2020-27721

CVE.ORG link : CVE-2020-27721

JSON object : View

Products Affected

f5

big-ip_domain_name_system
big-ip_global_traffic_manager

CWE

NVD-CWE-noinfo

{"id": "CVE-2020-27721", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2020-12-24T15:15:12.763", "references": [{"url": "https://support.f5.com/csp/article/K52035247", "tags": ["Vendor Advisory"], "source": "f5sirt@f5.com"}, {"url": "https://support.f5.com/csp/article/K52035247", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "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 implementaci\u00f3n 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"}], "lastModified": "2024-11-21T05:21:41.717", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8376922B-0D04-4E5D-BADE-0D6AC23A4696", "versionEndIncluding": "11.6.5", "versionStartIncluding": "11.6.1"}, {"criteria": "cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "55C2EC23-E78F-4447-BACF-21FC36ABF155", "versionEndIncluding": "12.1.5", "versionStartIncluding": "12.1.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A35AC237-573B-4309-87EF-3945FA2449BF", "versionEndIncluding": "13.1.3", "versionStartIncluding": "13.1.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "95CD946B-331A-44F5-8F64-26411E909F13", "versionEndExcluding": "14.1.3.1", "versionStartIncluding": "14.1.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "363C0C5C-A8EE-4BF9-92E3-506DA88D8CD3", "versionEndExcluding": "15.1.2", "versionStartIncluding": "15.0.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B7466098-C689-4E4B-879F-0433A020FDBC", "versionEndExcluding": "16.0.1", "versionStartIncluding": "16.0.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CD3D5803-35A0-4FF7-9AD3-E345C53A18FC", "versionEndIncluding": "11.6.5", "versionStartIncluding": "11.6.1"}, {"criteria": "cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EB5007D0-BBDB-4D74-9C88-98FBA74757D1", "versionEndIncluding": "12.1.5", "versionStartIncluding": "12.1.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FB07E847-6083-4CC8-8A62-6B9744B87088", "versionEndIncluding": "13.1.3", "versionStartIncluding": "13.1.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AD6C7A28-1569-44B0-BE80-7472F5ED5059", "versionEndExcluding": "14.1.3.1", "versionStartIncluding": "14.1.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AD2FDEB1-EB0E-4329-ABCF-A9FFF6FD0523", "versionEndExcluding": "15.1.2", "versionStartIncluding": "15.0.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EB7047B3-A248-424C-98D8-A0DD99A86F50", "versionEndExcluding": "16.0.1", "versionStartIncluding": "16.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "f5sirt@f5.com"}