Details of VAR-202008-0934

ID

VAR-202008-0934

CVE

CVE-2020-5918

TITLE

plural BIG-IP Resource depletion vulnerability in the product

Trust: 0.8

sources: JVNDB: JVNDB-2020-010665

DESCRIPTION

In BIG-IP versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, the Traffic Management Microkernel (TMM) may stop responding when processing Stream Control Transmission Protocol (SCTP) traffic when traffic volume is high. This vulnerability affects TMM by way of a virtual server configured with an SCTP profile. plural BIG-IP The product contains a resource depletion 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 version between 15.1.0 and 15.1.0.4, version between 15.0.0 and 15.0.1.3, version between 14.1.0 and 14.1.2.3, version between 13.1.0 and 13.1.3.3, version 12.1. Attackers can exploit this vulnerability to cause damage to TMM

Trust: 1.71

sources: NVD: CVE-2020-5918 // JVNDB: JVNDB-2020-010665 // VULHUB: VHN-184043

AFFECTED PRODUCTS

vendor:	f5	model:	big-ip access policy manager	scope:	lt	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip local traffic manager	scope:	lt	version:	14.1.2.5	Trust: 1.0
vendor:	f5	model:	big-ip global traffic manager	scope:	lt	version:	11.6.5.2	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 local traffic manager	scope:	gte	version:	11.6.1	Trust: 1.0
vendor:	f5	model:	big-ip local traffic manager	scope:	lt	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	gte	version:	15.0.0	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 advanced firewall manager	scope:	gte	version:	15.0.0	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 application acceleration manager	scope:	gte	version:	15.0.0	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	gte	version:	15.1.0	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	lt	version:	15.1.0.5	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 domain name system	scope:	gte	version:	15.0.0	Trust: 1.0
vendor:	f5	model:	big-ip fraud protection service	scope:	lt	version:	15.0.1.4	Trust: 1.0
vendor:	f5	model:	big-ip link controller	scope:	gte	version:	15.1.0	Trust: 1.0
vendor:	f5	model:	big-ip link controller	scope:	lt	version:	15.1.0.5	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 global traffic manager	scope:	gte	version:	15.0.0	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	gte	version:	12.1.0	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 local traffic manager	scope:	lt	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip fraud protection service	scope:	lt	version:	14.1.2.5	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 fraud protection service	scope:	gte	version:	11.6.1	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	gte	version:	11.6.1	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 link controller	scope:	gte	version:	11.6.1	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	lt	version:	15.0.1.4	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	lt	version:	15.1.0.5	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	gte	version:	15.0.0	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	gte	version:	12.1.0	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 local traffic manager	scope:	gte	version:	15.0.0	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	lt	version:	11.6.5.2	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	gte	version:	12.1.0	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	lt	version:	14.1.2.5	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	gte	version:	12.1.0	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	lt	version:	15.1.0.5	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	lt	version:	15.0.1.4	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	lt	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	lt	version:	15.0.1.4	Trust: 1.0
vendor:	f5	model:	big-ip link controller	scope:	lt	version:	11.6.5.2	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	lt	version:	14.1.2.5	Trust: 1.0
vendor:	f5	model:	big-ip local traffic manager	scope:	lt	version:	15.1.0.5	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	gte	version:	14.1.0	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	gte	version:	12.1.0	Trust: 1.0
vendor:	f5	model:	big-ip global traffic manager	scope:	lt	version:	15.0.1.4	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 domain name system	scope:	lt	version:	14.1.2.5	Trust: 1.0
vendor:	f5	model:	big-ip fraud protection service	scope:	lt	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	lt	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	lt	version:	14.1.2.5	Trust: 1.0
vendor:	f5	model:	big-ip global traffic manager	scope:	gte	version:	12.1.0	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	gte	version:	11.6.1	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	lt	version:	12.1.5.2	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 application acceleration manager	scope:	lt	version:	11.6.5.2	Trust: 1.0
vendor:	f5	model:	big-ip global traffic manager	scope:	lt	version:	14.1.2.5	Trust: 1.0
vendor:	f5	model:	big-ip global traffic manager	scope:	lt	version:	12.1.5.2	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 access policy manager	scope:	gte	version:	12.1.0	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 fraud protection service	scope:	gte	version:	15.0.0	Trust: 1.0
vendor:	f5	model:	big-ip link controller	scope:	gte	version:	15.0.0	Trust: 1.0
vendor:	f5	model:	big-ip policy enforcement manager	scope:	lt	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	lt	version:	11.6.5.2	Trust: 1.0
vendor:	f5	model:	big-ip local traffic manager	scope:	gte	version:	12.1.0	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 advanced firewall manager	scope:	lt	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip local traffic manager	scope:	lt	version:	11.6.5.2	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	lt	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip fraud protection service	scope:	lt	version:	15.1.0.5	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 domain name system	scope:	lt	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	lt	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	lt	version:	13.1.3.4	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 global traffic manager	scope:	lt	version:	13.1.3.4	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 policy enforcement manager	scope:	lt	version:	15.1.0.5	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	gte	version:	11.6.1	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	lt	version:	15.0.1.4	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	lt	version:	14.1.2.5	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	lt	version:	15.1.0.5	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 link controller	scope:	lt	version:	15.0.1.4	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 fraud protection service	scope:	gte	version:	12.1.0	Trust: 1.0
vendor:	f5	model:	big-ip link controller	scope:	gte	version:	12.1.0	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	lt	version:	14.1.2.5	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	lt	version:	15.1.0.5	Trust: 1.0
vendor:	f5	model:	big-ip fraud protection service	scope:	lt	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip fraud protection service	scope:	lt	version:	11.6.5.2	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	lt	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	lt	version:	15.1.0.5	Trust: 1.0
vendor:	f5	model:	big-ip link controller	scope:	lt	version:	14.1.2.5	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	gte	version:	11.6.1	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	lt	version:	15.0.1.4	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 link controller	scope:	lt	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	gte	version:	11.6.1	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	lt	version:	15.0.1.4	Trust: 1.0
vendor:	f5	model:	big-ip global traffic manager	scope:	lt	version:	15.1.0.5	Trust: 1.0
vendor:	f5	model:	big-ip analytics	scope:	gte	version:	13.1.0	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	gte	version:	11.6.1	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 policy enforcement manager	scope:	lt	version:	11.6.5.2	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 access policy manager	scope:	lt	version:	15.0.1.4	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	lt	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip advanced firewall manager	scope:	lt	version:	11.6.5.2	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	lt	version:	14.1.2.5	Trust: 1.0
vendor:	f5	model:	big-ip application acceleration manager	scope:	lt	version:	12.1.5.2	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 global traffic manager	scope:	gte	version:	11.6.1	Trust: 1.0
vendor:	f5	model:	big-ip local traffic manager	scope:	lt	version:	15.0.1.4	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 analytics	scope:	gte	version:	15.0.0	Trust: 1.0
vendor:	f5	model:	big-ip application security manager	scope:	gte	version:	12.1.0	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	lt	version:	12.1.5.2	Trust: 1.0
vendor:	f5	model:	big-ip domain name system	scope:	lt	version:	11.6.5.2	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 security manager	scope:	lt	version:	11.6.5.2	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 link controller	scope:	lt	version:	13.1.3.4	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	gte	version:	11.6.1	Trust: 1.0
vendor:	f5	model:	big-ip access policy manager	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip advanced firewall manager	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip analytics	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip application acceleration 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 fraud protection service	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip global traffic manager	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip link controller	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip local traffic manager	scope:	-	version:	-	Trust: 0.8
vendor:	f5	model:	big-ip policy enforcement manager	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2020-010665 // NVD: CVE-2020-5918

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-5918
value:	HIGH
Trust: 1.0
NVD:	CVE-2020-5918
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202008-1221
value:	HIGH
Trust: 0.6
VULHUB:	VHN-184043
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2020-5918
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-184043
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-2020-5918
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-2020-5918
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-184043 // CNNVD: CNNVD-202008-1221 // JVNDB: JVNDB-2020-010665 // NVD: CVE-2020-5918

PROBLEMTYPE DATA

problemtype:	NVD-CWE-noinfo	Trust: 1.0
problemtype:	Resource exhaustion (CWE-400) [NVD Evaluation ]	Trust: 0.8
problemtype:	CWE-400	Trust: 0.1

sources: VULHUB: VHN-184043 // JVNDB: JVNDB-2020-010665 // NVD: CVE-2020-5918

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202008-1221

TYPE

resource management error

Trust: 0.6

sources: CNNVD: CNNVD-202008-1221

PATCH

title:	K26464312	url:	https://support.f5.com/csp/article/K26464312	Trust: 0.8
title:	F5 BIG-IP Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=127490	Trust: 0.6

sources: CNNVD: CNNVD-202008-1221 // JVNDB: JVNDB-2020-010665

EXTERNAL IDS

db:	NVD	id:	CVE-2020-5918	Trust: 2.5
db:	JVNDB	id:	JVNDB-2020-010665	Trust: 0.8
db:	CNNVD	id:	CNNVD-202008-1221	Trust: 0.7
db:	AUSCERT	id:	ESB-2020.2920	Trust: 0.6
db:	VULHUB	id:	VHN-184043	Trust: 0.1

sources: VULHUB: VHN-184043 // CNNVD: CNNVD-202008-1221 // JVNDB: JVNDB-2020-010665 // NVD: CVE-2020-5918

REFERENCES

url:	https://support.f5.com/csp/article/k26464312	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2020-5918	Trust: 1.4
url:	https://www.auscert.org.au/bulletins/esb-2020.2920/	Trust: 0.6
url:	https://vigilance.fr/vulnerability/f5-big-ip-denial-of-service-via-tmm-sctp-33154	Trust: 0.6

sources: VULHUB: VHN-184043 // CNNVD: CNNVD-202008-1221 // JVNDB: JVNDB-2020-010665 // NVD: CVE-2020-5918

SOURCES

db:	VULHUB	id:	VHN-184043
db:	CNNVD	id:	CNNVD-202008-1221
db:	JVNDB	id:	JVNDB-2020-010665
db:	NVD	id:	CVE-2020-5918

LAST UPDATE DATE

2026-06-19T23:12:37.314000+00:00

SOURCES UPDATE DATE

db:	VULHUB	id:	VHN-184043	date:	2021-07-21T00:00:00
db:	CNNVD	id:	CNNVD-202008-1221	date:	2020-10-22T00:00:00
db:	JVNDB	id:	JVNDB-2020-010665	date:	2021-02-01T00:24:00
db:	NVD	id:	CVE-2020-5918	date:	2026-06-17T03:22:27.350

SOURCES RELEASE DATE

db:	VULHUB	id:	VHN-184043	date:	2020-08-26T00:00:00
db:	CNNVD	id:	CNNVD-202008-1221	date:	2020-08-26T00:00:00
db:	JVNDB	id:	JVNDB-2020-010665	date:	2021-02-01T00:00:00
db:	NVD	id:	CVE-2020-5918	date:	2020-08-26T15:15:13.320