ID

VAR-202102-0814


CVE

CVE-2021-22976


TITLE

BIG-IP Advanced WAF  and  ASM  Resource Depletion Vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-003894

DESCRIPTION

On BIG-IP Advanced WAF and ASM version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, and all 12.1.x versions, when the BIG-IP ASM system processes WebSocket requests with JSON payloads, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated. BIG-IP Advanced WAF and ASM Is vulnerable to a resource exhaustion.Denial of service (DoS) It may be put into a state

Trust: 1.71

sources: NVD: CVE-2021-22976 // JVNDB: JVNDB-2021-003894 // VULHUB: VHN-381462

AFFECTED PRODUCTS

vendor:f5model:big-ip advanced web application firewallscope:gteversion:12.1.0

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vendor:f5model:big-ip advanced web application firewallscope:ltversion:15.1.2

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vendor:f5model:big-ip application security managerscope:ltversion:14.1.3.1

Trust: 1.0

vendor:f5model:big-ip advanced web application firewallscope:ltversion:14.1.3.1

Trust: 1.0

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

Trust: 1.0

vendor:f5model:big-ip application security managerscope:lteversion:12.1.5

Trust: 1.0

vendor:f5model:big-ip advanced web application firewallscope:gteversion:13.1.0

Trust: 1.0

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

Trust: 1.0

vendor:f5model:big-ip application security managerscope:ltversion:16.0.1.1

Trust: 1.0

vendor:f5model:big-ip application security managerscope:ltversion:13.1.3.6

Trust: 1.0

vendor:f5model:big-ip advanced web application firewallscope:ltversion:13.1.3.6

Trust: 1.0

vendor:f5model:big-ip advanced web application firewallscope:ltversion:16.0.1.1

Trust: 1.0

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

Trust: 1.0

vendor:f5model:big-ip advanced web application firewallscope:lteversion:12.1.5

Trust: 1.0

vendor:f5model:big-ip application security managerscope:gteversion:14.1.0

Trust: 1.0

vendor:f5model:big-ip application security managerscope:gteversion:12.1.0

Trust: 1.0

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

Trust: 1.0

vendor:f5model:big-ip application security managerscope:gteversion:13.1.0

Trust: 1.0

vendor:f5model:big-ip application security managerscope:ltversion:15.1.2

Trust: 1.0

vendor:f5model:big-ip advanced web application firewallscope:gteversion:14.1.0

Trust: 1.0

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

Trust: 0.8

vendor:f5model:big-ip application security managerscope:ltversion:16.0.x

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vendor:f5model:big-ip application security managerscope:eqversion:16.0.1.1

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vendor:f5model:big-ip application security managerscope:eqversion:15.1.2

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vendor:f5model:big-ip application security managerscope:ltversion:13.1.x

Trust: 0.8

vendor:f5model:big-ip application security managerscope:eqversion:12.1.x

Trust: 0.8

vendor:f5model:big-ip application security managerscope:ltversion:15.1.x

Trust: 0.8

vendor:f5model:big-ip application security managerscope:ltversion:14.1.x

Trust: 0.8

vendor:f5model:big-ip application security managerscope:eqversion:14.1.3.1

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vendor:f5model:big-ip application security managerscope:eqversion:13.1.3.6

Trust: 0.8

sources: JVNDB: JVNDB-2021-003894 // NVD: CVE-2021-22976

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-22976
value: HIGH

Trust: 1.0

NVD: CVE-2021-22976
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202102-1060
value: HIGH

Trust: 0.6

VULHUB: VHN-381462
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-22976
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: 1.8

VULHUB: VHN-381462
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-2021-22976
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-2021-22976
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-381462 // JVNDB: JVNDB-2021-003894 // CNNVD: CNNVD-202102-1060 // NVD: CVE-2021-22976

PROBLEMTYPE DATA

problemtype:NVD-CWE-Other

Trust: 1.0

problemtype:Resource exhaustion (CWE-400) [NVD Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-003894 // NVD: CVE-2021-22976

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202102-1060

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202102-1060

PATCH

title:K88230177url:https://support.f5.com/csp/article/K88230177

Trust: 0.8

title:BIG-IP Advanced WAF and ASM Remediation of resource management error vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=142101

Trust: 0.6

sources: JVNDB: JVNDB-2021-003894 // CNNVD: CNNVD-202102-1060

EXTERNAL IDS

db:NVDid:CVE-2021-22976

Trust: 2.5

db:JVNDBid:JVNDB-2021-003894

Trust: 0.8

db:AUSCERTid:ESB-2021.0510

Trust: 0.6

db:CNNVDid:CNNVD-202102-1060

Trust: 0.6

db:VULHUBid:VHN-381462

Trust: 0.1

sources: VULHUB: VHN-381462 // JVNDB: JVNDB-2021-003894 // CNNVD: CNNVD-202102-1060 // NVD: CVE-2021-22976

REFERENCES

url:https://support.f5.com/csp/article/k88230177

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2021-22976

Trust: 1.4

url:https://vigilance.fr/vulnerability/f5-big-ip-asm-overload-via-websocket-json-payloads-34556

Trust: 0.6

url:https://www.auscert.org.au/bulletins/esb-2021.0510

Trust: 0.6

sources: VULHUB: VHN-381462 // JVNDB: JVNDB-2021-003894 // CNNVD: CNNVD-202102-1060 // NVD: CVE-2021-22976

SOURCES

db:VULHUBid:VHN-381462
db:JVNDBid:JVNDB-2021-003894
db:CNNVDid:CNNVD-202102-1060
db:NVDid:CVE-2021-22976

LAST UPDATE DATE

2024-11-23T22:54:54.685000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-381462date:2022-07-12T00:00:00
db:JVNDBid:JVNDB-2021-003894date:2021-11-09T09:02:00
db:CNNVDid:CNNVD-202102-1060date:2022-07-14T00:00:00
db:NVDid:CVE-2021-22976date:2024-11-21T05:51:03.173

SOURCES RELEASE DATE

db:VULHUBid:VHN-381462date:2021-02-12T00:00:00
db:JVNDBid:JVNDB-2021-003894date:2021-11-09T00:00:00
db:CNNVDid:CNNVD-202102-1060date:2021-02-11T00:00:00
db:NVDid:CVE-2021-22976date:2021-02-12T18:15:12.610