Details of VAR-202105-1194

ID

VAR-202105-1194

CVE

CVE-2021-23015

TITLE

BIG-IP Authentication Vulnerability in Microsoft

Trust: 0.8

sources: JVNDB: JVNDB-2021-007013

DESCRIPTION

On BIG-IP 15.1.x before 15.1.3, 14.1.x before 14.1.4.2, 13.1.0.8 through 13.1.3.6, and all versions of 16.0.x, when running in Appliance Mode, an authenticated user assigned the 'Administrator' role may be able to bypass Appliance Mode restrictions utilizing undisclosed iControl REST endpoints. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated. BIG-IP Contains an improper authentication vulnerability.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. Pillow is a Python-based image processing library. There is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements. 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. BIG-IP has an access control error vulnerability that results from improperly restricting access. The following products and versions are affected: BIG-IP: 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.3, 13.1.3.2, 13.1.3.4, 13.1.3.5, 13.1.3.6, 14.1.0, 14.1.0.2 .0.45.4 Hotfix-ENG, 14.1.0.2.0.62.4 Hotfix-ENG, 14.1.0.3.0.79.6-ENG Hotfix, 14.1.0.3.0.97.6-ENG Hotfix, 14.1.0.3.0.99.6-ENG Hotfix, 14.1.0.5.0.15.5-ENG Hotfix, 14.1.0.5.0.36.5-ENG Hotfix, 14.1.0.5.0.40.5-ENG Hotfix, 14.1.0.6.0.11.9-ENG Hotfix, 14.1.0.6. 0.14.9-ENG Hotfix, 14.1.0.6.0.68.9-ENG Hotfix, 14.1.0.6.0.70.9-ENG Hotfix, 14.1.1, 14.1.2, 14.1.2-0.89.37, 14.1.2.0.11.37 -ENG Hotfix, 14.1.2.0.18.37-ENG Hotfix, 14.1.2.0.32.37-ENG Hotfix, 14.1.2.1, 14.1.2.1.0.14.4-ENG Hotfix, 14.1.2.1.0.16.4-ENG Hotfix, 14.1. 2.1.0.34.4-ENG Hotfix, 14.1.2.1.0.46.4-ENG Hotfix, 14.1.2.1.0.83.4 Hotfix-ENG, 14.1.2.1.0.97.4-ENG Hotfix, 14.1.2.1.0.99.4- ENG Hotfix, 14.1.2.1.0.105

Trust: 2.34

sources: NVD: CVE-2021-23015 // JVNDB: JVNDB-2021-007013 // CNNVD: CNNVD-202104-975 // VULHUB: VHN-381501 // VULMON: CVE-2021-23015

AFFECTED PRODUCTS

vendor:	f5	model:	big-ip ddos hybrid defender	scope:	lt	version:	14.1.4	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	gte	version:	13.1.0	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	lt	version:	13.1.4	Trust: 1.0
vendor:	f5	model:	big-ip ddos hybrid defender	scope:	lt	version:	16.0.1.1	Trust: 1.0
vendor:	f5	model:	big-ip link controller	scope:	lt	version:	15.1.3	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	lt	version:	13.1.4	Trust: 1.0
vendor:	f5	model:	big-ip global traffic manager	scope:	gte	version:	14.1.0	Trust: 1.0
vendor:	f5	model:	big-ip global traffic manager	scope:	gte	version:	13.1.0	Trust: 1.0
vendor:	f5	model:	big-ip ddos hybrid defender	scope:	gte	version:	16.0.0	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	gte	version:	15.1.0	Trust: 1.0
vendor:	f5	model:	big-ip advanced web application firewall	scope:	lt	version:	13.1.4	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	lt	version:	15.1.3	Trust: 1.0
vendor:	f5	model:	big-ip fraud protection service	scope:	lt	version:	14.1.4	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	gte	version:	14.1.0	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	lt	version:	13.1.4	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	lt	version:	15.1.3	Trust: 1.0
vendor:	f5	model:	big-ip fraud protection service	scope:	lt	version:	16.0.1.1	Trust: 1.0
vendor:	f5	model:	big-ip link controller	scope:	gte	version:	15.1.0	Trust: 1.0
vendor:	f5	model:	big-ip ssl orchestrator	scope:	lt	version:	14.1.4	Trust: 1.0
vendor:	f5	model:	big-ip ssl orchestrator	scope:	lt	version:	16.0.1.1	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	gte	version:	14.1.0	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	gte	version:	13.1.0	Trust: 1.0
vendor:	f5	model:	big-ip local traffic manager	scope:	lt	version:	13.1.4	Trust: 1.0
vendor:	f5	model:	big-ip local traffic manager	scope:	gte	version:	13.1.0	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	gte	version:	16.0.0	Trust: 1.0
vendor:	f5	model:	big-ip advanced web application firewall	scope:	lt	version:	15.1.3	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	lt	version:	15.1.3	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	lt	version:	14.1.4	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	gte	version:	15.1.0	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	lt	version:	16.0.1.1	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	gte	version:	15.1.0	Trust: 1.0
vendor:	f5	model:	big-ip local traffic manager	scope:	lt	version:	15.1.3	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	lt	version:	14.1.4	Trust: 1.0
vendor:	f5	model:	big-ip ddos hybrid defender	scope:	lt	version:	13.1.4	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	lt	version:	16.0.1.1	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	gte	version:	15.1.0	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	gte	version:	16.0.0	Trust: 1.0
vendor:	f5	model:	big-ip advanced web application firewall	scope:	gte	version:	15.1.0	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	lt	version:	14.1.4	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	gte	version:	16.0.0	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	lt	version:	14.1.4	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	gte	version:	16.0.0	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	lt	version:	16.0.1.1	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	lt	version:	16.0.1.1	Trust: 1.0
vendor:	f5	model:	big-ip ddos hybrid defender	scope:	lt	version:	15.1.3	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	gte	version:	14.1.0	Trust: 1.0
vendor:	f5	model:	big-ip fraud protection service	scope:	lt	version:	13.1.4	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	gte	version:	16.0.0	Trust: 1.0
vendor:	f5	model:	big-ip global traffic manager	scope:	lt	version:	14.1.4	Trust: 1.0
vendor:	f5	model:	big-ip global traffic manager	scope:	lt	version:	16.0.1.1	Trust: 1.0
vendor:	f5	model:	big-ip fraud protection service	scope:	gte	version:	13.1.0	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	gte	version:	13.1.0	Trust: 1.0
vendor:	f5	model:	big-ip link controller	scope:	gte	version:	14.1.0	Trust: 1.0
vendor:	f5	model:	big-ip link controller	scope:	gte	version:	13.1.0	Trust: 1.0
vendor:	f5	model:	big-ip ssl orchestrator	scope:	gte	version:	13.1.0	Trust: 1.0
vendor:	f5	model:	big-ip global traffic manager	scope:	gte	version:	16.0.0	Trust: 1.0
vendor:	f5	model:	big-ip local traffic manager	scope:	gte	version:	15.1.0	Trust: 1.0
vendor:	f5	model:	big-ip fraud protection service	scope:	lt	version:	15.1.3	Trust: 1.0
vendor:	f5	model:	big-ip ddos hybrid defender	scope:	gte	version:	15.1.0	Trust: 1.0
vendor:	f5	model:	big-ip ssl orchestrator	scope:	lt	version:	15.1.3	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	lt	version:	13.1.4	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	gte	version:	14.1.0	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	gte	version:	14.1.0	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	gte	version:	16.0.0	Trust: 1.0
vendor:	f5	model:	big-ip local traffic manager	scope:	gte	version:	16.0.0	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	gte	version:	14.1.0	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	lt	version:	15.1.3	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	lt	version:	13.1.4	Trust: 1.0
vendor:	f5	model:	big-ip advanced web application firewall	scope:	gte	version:	14.1.0	Trust: 1.0
vendor:	f5	model:	big-ip advanced web application firewall	scope:	gte	version:	13.1.0	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	lt	version:	13.1.4	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	gte	version:	13.1.0	Trust: 1.0
vendor:	f5	model:	big-ip global traffic manager	scope:	lt	version:	13.1.4	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	lt	version:	15.1.3	Trust: 1.0
vendor:	f5	model:	big-ip advanced web application firewall	scope:	lte	version:	14.1.4	Trust: 1.0
vendor:	f5	model:	big-ip fraud protection service	scope:	gte	version:	15.1.0	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	lt	version:	14.1.4	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	lt	version:	15.1.3	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	gte	version:	15.1.0	Trust: 1.0
vendor:	f5	model:	big-ip ssl orchestrator	scope:	gte	version:	15.1.0	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	lt	version:	16.0.1.1	Trust: 1.0
vendor:	f5	model:	big-ip global traffic manager	scope:	lt	version:	15.1.3	Trust: 1.0
vendor:	f5	model:	big-ip link controller	scope:	lt	version:	14.1.4	Trust: 1.0
vendor:	f5	model:	big-ip local traffic manager	scope:	gte	version:	14.1.0	Trust: 1.0
vendor:	f5	model:	big-ip link controller	scope:	lt	version:	16.0.1.1	Trust: 1.0
vendor:	f5	model:	big-ip ddos hybrid defender	scope:	gte	version:	14.1.0	Trust: 1.0
vendor:	f5	model:	big-ip ddos hybrid defender	scope:	gte	version:	13.1.0	Trust: 1.0
vendor:	f5	model:	big-ip fraud protection service	scope:	gte	version:	16.0.0	Trust: 1.0
vendor:	f5	model:	big-ip ssl orchestrator	scope:	gte	version:	16.0.0	Trust: 1.0
vendor:	f5	model:	big-ip link controller	scope:	gte	version:	16.0.0	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	lt	version:	14.1.4	Trust: 1.0
vendor:	f5	model:	big-ip global traffic manager	scope:	gte	version:	15.1.0	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	lt	version:	16.0.1.1	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	gte	version:	13.1.0	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	gte	version:	15.1.0	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	lt	version:	14.1.4	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	gte	version:	15.1.0	Trust: 1.0
vendor:	f5	model:	big-ip advanced web application firewall	scope:	lt	version:	16.0.1.1	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	lt	version:	16.0.1.1	Trust: 1.0
vendor:	f5	model:	big-ip ssl orchestrator	scope:	lt	version:	13.1.4	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	lt	version:	13.1.4	Trust: 1.0
vendor:	f5	model:	big-ip local traffic manager	scope:	lt	version:	14.1.4	Trust: 1.0
vendor:	f5	model:	big-ip fraud protection service	scope:	gte	version:	14.1.0	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	gte	version:	14.1.0	Trust: 1.0
vendor:	f5	model:	big-ip advanced web application firewall	scope:	gte	version:	16.0.0	Trust: 1.0
vendor:	f5	model:	big-ip local traffic manager	scope:	lt	version:	16.0.1.1	Trust: 1.0
vendor:	f5	model:	big-ip ssl orchestrator	scope:	gte	version:	14.1.0	Trust: 1.0
vendor:	f5	model:	big-ip link controller	scope:	lt	version:	13.1.4	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	gte	version:	16.0.0	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	gte	version:	13.1.0	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	gte	version:	13.1.0	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	lt	version:	15.1.3	Trust: 1.0
vendor:	f5	model:	big-ip advanced web application firewall	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip global traffic manager	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip advanced firewall manager	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
vendor:	f5	model:	big-ip ddos hybrid defender	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip access policy manager	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip application security manager	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip domain name system	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip analytics	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-007013 // NVD: CVE-2021-23015

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-23015
value:	HIGH
Trust: 1.0
NVD:	CVE-2021-23015
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202104-975
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202104-2145
value:	HIGH
Trust: 0.6
VULHUB:	VHN-381501
value:	MEDIUM
Trust: 0.1
VULMON:	CVE-2021-23015
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-23015
severity:	MEDIUM
baseScore:	6.5
vectorString:	AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	8.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9
VULHUB:	VHN-381501
severity:	MEDIUM
baseScore:	6.5
vectorString:	AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	8.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2021-23015
baseSeverity:	HIGH
baseScore:	7.2
vectorString:	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.2
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2021-23015
baseSeverity:	HIGH
baseScore:	7.2
vectorString:	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: VULHUB: VHN-381501 // VULMON: CVE-2021-23015 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202104-2145 // JVNDB: JVNDB-2021-007013 // NVD: CVE-2021-23015

PROBLEMTYPE DATA

problemtype:	CWE-863	Trust: 1.1
problemtype:	Bad authentication (CWE-863) [NVD Evaluation ]	Trust: 0.8

sources: VULHUB: VHN-381501 // JVNDB: JVNDB-2021-007013 // NVD: CVE-2021-23015

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202104-2145

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-975

PATCH

title:	K74151369	url:	https://support.f5.com/csp/article/K74151369	Trust: 0.8
title:	F5 BIG-IP Fixes for access control error vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=149902	Trust: 0.6

sources: CNNVD: CNNVD-202104-2145 // JVNDB: JVNDB-2021-007013

EXTERNAL IDS

db:	NVD	id:	CVE-2021-23015	Trust: 3.4
db:	JVNDB	id:	JVNDB-2021-007013	Trust: 0.8
db:	CS-HELP	id:	SB2021041363	Trust: 0.6
db:	CNNVD	id:	CNNVD-202104-975	Trust: 0.6
db:	AUSCERT	id:	ESB-2021.1448.2	Trust: 0.6
db:	CS-HELP	id:	SB2021042918	Trust: 0.6
db:	CNNVD	id:	CNNVD-202104-2145	Trust: 0.6
db:	VULHUB	id:	VHN-381501	Trust: 0.1
db:	VULMON	id:	CVE-2021-23015	Trust: 0.1

sources: VULHUB: VHN-381501 // VULMON: CVE-2021-23015 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202104-2145 // JVNDB: JVNDB-2021-007013 // NVD: CVE-2021-23015

REFERENCES

url:	https://support.f5.com/csp/article/k74151369	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2021-23015	Trust: 0.8
url:	https://www.cybersecurity-help.cz/vdb/sb2021041363	Trust: 0.6
url:	https://www.auscert.org.au/bulletins/esb-2021.1448.2	Trust: 0.6
url:	https://vigilance.fr/vulnerability/f5-big-ip-privilege-escalation-via-icontrol-35194	Trust: 0.6
url:	https://www.cybersecurity-help.cz/vdb/sb2021042918	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/863.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULHUB: VHN-381501 // VULMON: CVE-2021-23015 // CNNVD: CNNVD-202104-975 // CNNVD: CNNVD-202104-2145 // JVNDB: JVNDB-2021-007013 // NVD: CVE-2021-23015

SOURCES

db:	VULHUB	id:	VHN-381501
db:	VULMON	id:	CVE-2021-23015
db:	CNNVD	id:	CNNVD-202104-975
db:	CNNVD	id:	CNNVD-202104-2145
db:	JVNDB	id:	JVNDB-2021-007013
db:	NVD	id:	CVE-2021-23015

LAST UPDATE DATE

2026-06-19T21:26:59.811000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-381501	date:	2021-05-24T00:00:00
db:	VULMON	id:	CVE-2021-23015	date:	2021-05-24T00:00:00
db:	CNNVD	id:	CNNVD-202104-975	date:	2021-04-14T00:00:00
db:	CNNVD	id:	CNNVD-202104-2145	date:	2021-07-26T00:00:00
db:	JVNDB	id:	JVNDB-2021-007013	date:	2022-01-31T03:11:00
db:	NVD	id:	CVE-2021-23015	date:	2026-06-17T03:38:12.917

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-381501	date:	2021-05-10T00:00:00
db:	VULMON	id:	CVE-2021-23015	date:	2021-05-10T00:00:00
db:	CNNVD	id:	CNNVD-202104-975	date:	2021-04-13T00:00:00
db:	CNNVD	id:	CNNVD-202104-2145	date:	2021-04-29T00:00:00
db:	JVNDB	id:	JVNDB-2021-007013	date:	2022-01-31T00:00:00
db:	NVD	id:	CVE-2021-23015	date:	2021-05-10T15:15:07.493