Details of VAR-202012-0723

ID

VAR-202012-0723

CVE

CVE-2020-27728

TITLE

F5 Networks of BIG-IP Advanced Web Application Firewall (WAF) and BIG-IP Application Security Manager (ASM) Vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2020-018318

DESCRIPTION

On BIG-IP ASM & Advanced WAF versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.3, under certain conditions, Analytics, Visibility, and Reporting daemon (AVRD) may generate a core file and restart on the BIG-IP system when processing requests sent from mobile devices. F5 Networks of BIG-IP Advanced Web Application Firewall (WAF) and BIG-IP Application Security Manager (ASM) Exists in unspecified vulnerabilities.Service operation interruption (DoS) It may be in a state. F5 BIG-IP is an application delivery platform of American F5 company that integrates network traffic management, application security management, load balancing and other functions. F5 BIG-IP ASM product has a denial of service vulnerability. Attackers can use this vulnerability to trigger a fatal error through AVRD's F5 BIG-IP ASM to trigger a denial of service

Trust: 2.25

sources: NVD: CVE-2020-27728 // JVNDB: JVNDB-2020-018318 // CNVD: CNVD-2020-74859 // VULHUB: VHN-371839

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2020-74859

AFFECTED PRODUCTS

vendor:	f5	model:	big-ip application security manager	scope:	gte	version:	16.0.0	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	lt	version:	14.1.3.1	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 advanced web application firewall	scope:	lt	version:	14.1.3.1	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	lt	version:	15.1.1	Trust: 1.0
vendor:	f5	model:	big-ip advanced web application firewall	scope:	lt	version:	15.1.1	Trust: 1.0
vendor:	f5	model:	big-ip advanced web application firewall	scope:	gte	version:	15.0.0	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 application security manager	scope:	lt	version:	16.0.1	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	gte	version:	15.0.0	Trust: 1.0
vendor:	f5	model:	big-ip advanced web application firewall	scope:	lt	version:	16.0.1	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 application security manager	scope:	eq	version:	14.1.0 that's all 14.1.3.1	Trust: 0.8
vendor:	f5	model:	big-ip application security manager	scope:	eq	version:	15.0.0 that's all 15.1.1	Trust: 0.8
vendor:	f5	model:	big-ip advanced web application firewall	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip application security manager	scope:	eq	version:	16.0.0 that's all 16.0.1	Trust: 0.8
vendor:	f5	model:	big-ip asm	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2020-74859 // JVNDB: JVNDB-2020-018318 // NVD: CVE-2020-27728

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-27728
value:	HIGH
Trust: 1.0
NVD:	CVE-2020-27728
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2020-74859
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202012-1287
value:	HIGH
Trust: 0.6
VULHUB:	VHN-371839
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2020-27728
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
CNVD:	CNVD-2020-74859
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: 0.6
VULHUB:	VHN-371839
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-2020-27728
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-2020-27728
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: CNVD: CNVD-2020-74859 // VULHUB: VHN-371839 // JVNDB: JVNDB-2020-018318 // CNNVD: CNNVD-202012-1287 // NVD: CVE-2020-27728

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2020-018318 // NVD: CVE-2020-27728

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202012-1287

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202012-1287

PATCH

title:	K45143221	url:	https://my.f5.com/manage/s/article/K45143221	Trust: 0.8
title:	Patch for F5 BIG-IP ASM Denial of Service Vulnerability (CNVD-2020-74859)	url:	https://www.cnvd.org.cn/patchInfo/show/242803	Trust: 0.6
title:	F5 BIG-IP ASM Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=138060	Trust: 0.6

sources: CNVD: CNVD-2020-74859 // JVNDB: JVNDB-2020-018318 // CNNVD: CNNVD-202012-1287

EXTERNAL IDS

db:	NVD	id:	CVE-2020-27728	Trust: 3.9
db:	JVNDB	id:	JVNDB-2020-018318	Trust: 0.8
db:	CNNVD	id:	CNNVD-202012-1287	Trust: 0.7
db:	CNVD	id:	CNVD-2020-74859	Trust: 0.6
db:	AUSCERT	id:	ESB-2020.4497	Trust: 0.6
db:	VULHUB	id:	VHN-371839	Trust: 0.1

sources: CNVD: CNVD-2020-74859 // VULHUB: VHN-371839 // JVNDB: JVNDB-2020-018318 // CNNVD: CNNVD-202012-1287 // NVD: CVE-2020-27728

REFERENCES

url:	https://support.f5.com/csp/article/k45143221	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2020-27728	Trust: 1.4
url:	https://support.f5.com/csp/article/k45143221?utm_source=f5support&utm_medium=rss	Trust: 0.6
url:	https://vigilance.fr/vulnerability/f5-big-ip-asm-denial-of-service-via-avrd-34152	Trust: 0.6
url:	https://www.auscert.org.au/bulletins/esb-2020.4497/	Trust: 0.6

sources: CNVD: CNVD-2020-74859 // VULHUB: VHN-371839 // JVNDB: JVNDB-2020-018318 // CNNVD: CNNVD-202012-1287 // NVD: CVE-2020-27728

SOURCES

db:	CNVD	id:	CNVD-2020-74859
db:	VULHUB	id:	VHN-371839
db:	JVNDB	id:	JVNDB-2020-018318
db:	CNNVD	id:	CNNVD-202012-1287
db:	NVD	id:	CVE-2020-27728

LAST UPDATE DATE

2024-11-23T22:25:14.458000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2020-74859	date:	2020-12-29T00:00:00
db:	VULHUB	id:	VHN-371839	date:	2020-12-28T00:00:00
db:	JVNDB	id:	JVNDB-2020-018318	date:	2024-07-19T02:32:00
db:	CNNVD	id:	CNNVD-202012-1287	date:	2021-01-05T00:00:00
db:	NVD	id:	CVE-2020-27728	date:	2024-11-21T05:21:42.560

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2020-74859	date:	2020-12-29T00:00:00
db:	VULHUB	id:	VHN-371839	date:	2020-12-24T00:00:00
db:	JVNDB	id:	JVNDB-2020-018318	date:	2024-07-19T00:00:00
db:	CNNVD	id:	CNNVD-202012-1287	date:	2020-12-17T00:00:00
db:	NVD	id:	CVE-2020-27728	date:	2020-12-24T16:15:15.383