Details of VAR-202103-0964

ID

VAR-202103-0964

CVE

CVE-2021-23000

TITLE

BIG-IP Vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2021-005085

DESCRIPTION

On BIG-IP versions 13.1.3.4-13.1.3.6 and 12.1.5.2, if the tmm.http.rfc.enforcement BigDB key is enabled in a BIG-IP system, or the Bad host header value is checked in the AFM HTTP security profile associated with a virtual server, in rare instances, a specific sequence of malicious requests may cause TMM to restart. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated. BIG-IP Contains an unspecified vulnerability.Denial of service (DoS) It may be put into 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. F5 BIG-IP has a security vulnerability that could be exploited by an attacker to trigger a fatal error via tmm.http.rfc

Trust: 1.71

sources: NVD: CVE-2021-23000 // JVNDB: JVNDB-2021-005085 // VULHUB: VHN-381486

AFFECTED PRODUCTS

vendor:	f5	model:	big-ip domain name system	scope:	gte	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip local traffic manager	scope:	lt	version:	13.1.3.6	Trust: 1.0
vendor:	f5	model:	big-ip ddos hybrid defender	scope:	gte	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip local traffic manager	scope:	eq	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip link controller	scope:	gte	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	eq	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	lt	version:	13.1.3.6	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	eq	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	lt	version:	13.1.3.6	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	gte	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	eq	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	lt	version:	13.1.3.6	Trust: 1.0
vendor:	f5	model:	big-ip fraud protection service	scope:	gte	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	ssl orchestrator	scope:	gte	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip ddos hybrid defender	scope:	eq	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	eq	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	gte	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip link controller	scope:	eq	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	gte	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip ddos hybrid defender	scope:	lt	version:	13.1.3.6	Trust: 1.0
vendor:	f5	model:	big-ip global traffic manager	scope:	gte	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip advanced web application firewall	scope:	gte	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	ssl orchestrator	scope:	eq	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip link controller	scope:	lt	version:	13.1.3.6	Trust: 1.0
vendor:	f5	model:	big-ip fraud protection service	scope:	eq	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip local traffic manager	scope:	gte	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	eq	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	lt	version:	13.1.3.6	Trust: 1.0
vendor:	f5	model:	big-ip fraud protection service	scope:	lt	version:	13.1.3.6	Trust: 1.0
vendor:	f5	model:	ssl orchestrator	scope:	lt	version:	13.1.3.6	Trust: 1.0
vendor:	f5	model:	big-ip advanced web application firewall	scope:	eq	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	gte	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	eq	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	lt	version:	13.1.3.6	Trust: 1.0
vendor:	f5	model:	big-ip advanced web application firewall	scope:	lt	version:	13.1.3.6	Trust: 1.0
vendor:	f5	model:	big-ip global traffic manager	scope:	eq	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	lt	version:	13.1.3.6	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	gte	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	eq	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	gte	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	lt	version:	13.1.3.6	Trust: 1.0
vendor:	f5	model:	big-ip global traffic manager	scope:	lt	version:	13.1.3.6	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip access policy manager	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip advanced web application firewall	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip advanced firewall manager	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip global traffic manager	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip ddos hybrid defender	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip analytics	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip domain name system	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip fraud protection service	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip application acceleration manager	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-005085 // NVD: CVE-2021-23000

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-23000
value:	HIGH
Trust: 1.0
NVD:	CVE-2021-23000
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202103-777
value:	HIGH
Trust: 0.6
VULHUB:	VHN-381486
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-23000
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:N/AC:M/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	8.6
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
VULHUB:	VHN-381486
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:N/AC:M/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	8.6
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2021-23000
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-2021-23000
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-381486 // JVNDB: JVNDB-2021-005085 // CNNVD: CNNVD-202103-777 // NVD: CVE-2021-23000

PROBLEMTYPE DATA

problemtype:	NVD-CWE-noinfo	Trust: 1.0
problemtype:	Lack of information (CWE-noinfo) [NVD Evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-005085 // NVD: CVE-2021-23000

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202103-777

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202103-777

PATCH

title:	K34441555	url:	https://support.f5.com/csp/article/K34441555	Trust: 0.8
title:	F5 BIG-IP Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=146348	Trust: 0.6
title:	F5_Vulnerability	url:	https://github.com/DNTYO/F5_Vulnerability	Trust: 0.1

sources: VULMON: CVE-2021-23000 // JVNDB: JVNDB-2021-005085 // CNNVD: CNNVD-202103-777

EXTERNAL IDS

db:	NVD	id:	CVE-2021-23000	Trust: 2.6
db:	JVNDB	id:	JVNDB-2021-005085	Trust: 0.8
db:	CNNVD	id:	CNNVD-202103-777	Trust: 0.7
db:	AUSCERT	id:	ESB-2021.0873	Trust: 0.6
db:	VULHUB	id:	VHN-381486	Trust: 0.1
db:	VULMON	id:	CVE-2021-23000	Trust: 0.1

sources: VULHUB: VHN-381486 // VULMON: CVE-2021-23000 // JVNDB: JVNDB-2021-005085 // CNNVD: CNNVD-202103-777 // NVD: CVE-2021-23000

REFERENCES

url:	https://support.f5.com/csp/article/k34441555	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-23000	Trust: 1.4
url:	http-rfc-enforcement-34811	Trust: 0.6
url:	https://vigilance.fr/vulnerability/f5-big-ip-denial-of-service-via-tmm-	Trust: 0.6
url:	https://www.auscert.org.au/bulletins/esb-2021.0873	Trust: 0.6
url:	https://github.com/dntyo/f5_vulnerability	Trust: 0.1

sources: VULHUB: VHN-381486 // VULMON: CVE-2021-23000 // JVNDB: JVNDB-2021-005085 // CNNVD: CNNVD-202103-777 // NVD: CVE-2021-23000

SOURCES

db:	VULHUB	id:	VHN-381486
db:	VULMON	id:	CVE-2021-23000
db:	JVNDB	id:	JVNDB-2021-005085
db:	CNNVD	id:	CNNVD-202103-777
db:	NVD	id:	CVE-2021-23000

LAST UPDATE DATE

2024-11-23T21:34:48.863000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-381486	date:	2021-04-05T00:00:00
db:	VULMON	id:	CVE-2021-23000	date:	2021-04-05T00:00:00
db:	JVNDB	id:	JVNDB-2021-005085	date:	2021-12-07T09:04:00
db:	CNNVD	id:	CNNVD-202103-777	date:	2021-04-06T00:00:00
db:	NVD	id:	CVE-2021-23000	date:	2024-11-21T05:51:07.640

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-381486	date:	2021-03-31T00:00:00
db:	VULMON	id:	CVE-2021-23000	date:	2021-03-31T00:00:00
db:	JVNDB	id:	JVNDB-2021-005085	date:	2021-12-07T00:00:00
db:	CNNVD	id:	CNNVD-202103-777	date:	2021-03-10T00:00:00
db:	NVD	id:	CVE-2021-23000	date:	2021-03-31T18:15:15.223