ID

VAR-202109-0788


CVE

CVE-2021-23050


TITLE

plural  F5 Networks  Product vulnerabilities

Trust: 0.8

sources: JVNDB: JVNDB-2021-012113

DESCRIPTION

On BIG-IP Advanced WAF and BIG-IP ASM version 16.0.x before 16.0.1.2 and 15.1.x before 15.1.3 and NGINX App Protect on all versions before 3.5.0, when a cross-site request forgery (CSRF)-enabled policy is configured on a virtual server, an undisclosed HTML response may cause the bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated. BIG-IP Advanced WAF , BIG-IP ASM , NGINX App Protect Exists in unspecified vulnerabilities.Service operation interruption (DoS) It may be in a state. F5 BIG-IP is an application delivery platform integrated with network traffic management, application security management, load balancing and other functions of the US company F5. A security vulnerability exists in the F5 BIG-IP. The vulnerability stems from the fact that an attacker can cause a fatal error through the CSRF policy of F5 BIG-IP WAF/ASM, thereby triggering a denial of service

Trust: 1.8

sources: NVD: CVE-2021-23050 // JVNDB: JVNDB-2021-012113 // VULHUB: VHN-381536 // VULMON: CVE-2021-23050

AFFECTED PRODUCTS

vendor:f5model:big-ip application security managerscope:gteversion:15.1.0

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vendor:f5model:big-ip advanced web application firewallscope:gteversion:15.1.0

Trust: 1.0

vendor:f5model:nginx app protectscope:ltversion:3.5.0

Trust: 1.0

vendor:f5model:big-ip application security managerscope:gteversion:16.0.0

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vendor:f5model:big-ip advanced web application firewallscope:gteversion:16.0.0

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vendor:f5model:big-ip application security managerscope:ltversion:16.0.1.2

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vendor:f5model:nginx app protectscope:gteversion:2.0.0

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vendor:f5model:big-ip advanced web application firewallscope:ltversion:15.1.3.1

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vendor:f5model:nginx app protectscope:lteversion:1.3.0

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vendor:f5model:nginx app protectscope:lteversion:2.3.0

Trust: 1.0

vendor:f5model:nginx app protectscope:gteversion:3.0.0

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vendor:f5model:nginx app protectscope:gteversion:1.0.0

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vendor:f5model:big-ip application security managerscope:ltversion:15.1.3.1

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vendor:f5model:big-ip advanced web application firewallscope:ltversion:16.0.1.2

Trust: 1.0

vendor:f5model:big-ip application security managerscope: - version: -

Trust: 0.8

vendor:f5model:nginx app protectscope:eqversion:3.5.0

Trust: 0.8

vendor:f5model:big-ip advanced web application firewallscope: - version: -

Trust: 0.8

sources: JVNDB: JVNDB-2021-012113 // NVD: CVE-2021-23050

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-23050
value: HIGH

Trust: 1.0

NVD: CVE-2021-23050
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202108-2022
value: HIGH

Trust: 0.6

VULHUB: VHN-381536
value: MEDIUM

Trust: 0.1

VULMON: CVE-2021-23050
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-23050
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

VULHUB: VHN-381536
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2021-23050
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: CVE-2021-23050
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-381536 // VULMON: CVE-2021-23050 // JVNDB: JVNDB-2021-012113 // CNNVD: CNNVD-202108-2022 // NVD: CVE-2021-23050

PROBLEMTYPE DATA

problemtype:NVD-CWE-noinfo

Trust: 1.0

problemtype:CWE-352

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problemtype:Lack of information (CWE-noinfo) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-012113 // NVD: CVE-2021-23050

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202108-2022

TYPE

cross-site request forgery

Trust: 0.6

sources: CNNVD: CNNVD-202108-2022

PATCH

title:K44553214url:https://support.f5.com/csp/article/K44553214

Trust: 0.8

title:F5 BIG-IP Fixes for cross-site request forgery vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=164635

Trust: 0.6

sources: JVNDB: JVNDB-2021-012113 // CNNVD: CNNVD-202108-2022

EXTERNAL IDS

db:NVDid:CVE-2021-23050

Trust: 3.4

db:JVNDBid:JVNDB-2021-012113

Trust: 0.8

db:CNNVDid:CNNVD-202108-2022

Trust: 0.7

db:AUSCERTid:ESB-2021.2862

Trust: 0.6

db:VULHUBid:VHN-381536

Trust: 0.1

db:VULMONid:CVE-2021-23050

Trust: 0.1

sources: VULHUB: VHN-381536 // VULMON: CVE-2021-23050 // JVNDB: JVNDB-2021-012113 // CNNVD: CNNVD-202108-2022 // NVD: CVE-2021-23050

REFERENCES

url:https://support.f5.com/csp/article/k44553214

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2021-23050

Trust: 1.4

url:https://vigilance.fr/vulnerability/f5-big-ip-waf-asm-denial-of-service-via-csrf-policy-36186

Trust: 0.6

url:https://www.auscert.org.au/bulletins/esb-2021.2862

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url:https://cwe.mitre.org/data/definitions/.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: VULHUB: VHN-381536 // VULMON: CVE-2021-23050 // JVNDB: JVNDB-2021-012113 // CNNVD: CNNVD-202108-2022 // NVD: CVE-2021-23050

SOURCES

db:VULHUBid:VHN-381536
db:VULMONid:CVE-2021-23050
db:JVNDBid:JVNDB-2021-012113
db:CNNVDid:CNNVD-202108-2022
db:NVDid:CVE-2021-23050

LAST UPDATE DATE

2024-08-14T14:31:38.013000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-381536date:2021-09-27T00:00:00
db:VULMONid:CVE-2021-23050date:2021-09-27T00:00:00
db:JVNDBid:JVNDB-2021-012113date:2022-08-24T06:54:00
db:CNNVDid:CNNVD-202108-2022date:2021-10-08T00:00:00
db:NVDid:CVE-2021-23050date:2021-09-27T16:59:40.990

SOURCES RELEASE DATE

db:VULHUBid:VHN-381536date:2021-09-14T00:00:00
db:VULMONid:CVE-2021-23050date:2021-09-14T00:00:00
db:JVNDBid:JVNDB-2021-012113date:2022-08-24T00:00:00
db:CNNVDid:CNNVD-202108-2022date:2021-08-24T00:00:00
db:NVDid:CVE-2021-23050date:2021-09-14T13:15:11.093