NVD Vulnerability Detail

CVE-2021-23011

Summary	On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, 14.1.x before 14.1.4, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and 11.6.x before 11.6.5.3, when the BIG-IP system is buffering packet fragments for reassembly, the Traffic Management Microkernel (TMM) may consume an excessive amount of resources, eventually leading to a restart and failover event. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Publication Date	May 10, 2021, 11:15 p.m.
Registration Date	May 11, 2021, 10 a.m.
Last Update	Nov. 21, 2024, 2:51 p.m.

CVSS3.1 : HIGH
スコア	7.5
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃に必要な特権レベル(PR)	不要
利用者の関与(UI)	不要
影響の想定範囲(S)	変更なし
機密性への影響(C)	なし
完全性への影響(I)	なし
可用性への影響(A)	高

CVSS2.0 : MEDIUM
Score	5.0
Vector	AV:N/AC:L/Au:N/C:N/I:N/A:P
攻撃元区分(AV)	ネットワーク
攻撃条件の複雑さ(AC)	低
攻撃前の認証要否(Au)	不要
機密性への影響(C)	なし
完全性への影響(I)	なし
可用性への影響(A)	低
Get all privileges.	いいえ
Get user privileges	いいえ
Get other privileges	いいえ
User operation required	いいえ

Affected software configurations

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:f5:big-ip_access_policy_manager::::::::	16.0.0			16.0.1.1
cpe:2.3:a:f5:big-ip_advanced_firewall_manager::::::::	16.0.0			16.0.1.1
cpe:2.3:a:f5:big-ip_application_acceleration_manager::::::::	16.0.0			16.0.1.1
cpe:2.3:a:f5:big-ip_analytics::::::::	16.0.0			16.0.1.1
cpe:2.3:a:f5:big-ip_application_security_manager::::::::	16.0.0			16.0.1.1
cpe:2.3:a:f5:big-ip_domain_name_system::::::::	16.0.0			16.0.1.1
cpe:2.3:a:f5:big-ip_global_traffic_manager::::::::	16.0.0			16.0.1.1
cpe:2.3:a:f5:big-ip_fraud_protection_service::::::::	16.0.0			16.0.1.1
cpe:2.3:a:f5:big-ip_link_controller::::::::	16.0.0			16.0.1.1
cpe:2.3:a:f5:big-ip_local_traffic_manager::::::::	16.0.0			16.0.1.1
cpe:2.3:a:f5:big-ip_policy_enforcement_manager::::::::	16.0.0			16.0.1.1
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall::::::::	16.0.0			16.0.1.1
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender::::::::	16.0.0			16.0.1.1
cpe:2.3:a:f5:big-ip_ssl_orchestrator::::::::	16.0.0			16.0.1.1
cpe:2.3:a:f5:big-ip_application_acceleration_manager::::::::	14.1.0			14.1.4
cpe:2.3:a:f5:big-ip_local_traffic_manager::::::::	14.1.0			14.1.4
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall::::::::	14.1.0			14.1.4
cpe:2.3:a:f5:big-ip_advanced_firewall_manager::::::::	14.1.0			14.1.4
cpe:2.3:a:f5:big-ip_analytics::::::::	14.1.0			14.1.4
cpe:2.3:a:f5:big-ip_application_security_manager::::::::	14.1.0			14.1.4
cpe:2.3:a:f5:big-ip_access_policy_manager::::::::	14.1.0			14.1.4
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender::::::::	14.1.0			14.1.4
cpe:2.3:a:f5:big-ip_domain_name_system::::::::	14.1.0			14.1.4
cpe:2.3:a:f5:big-ip_fraud_protection_service::::::::	14.1.0			14.1.4
cpe:2.3:a:f5:big-ip_global_traffic_manager::::::::	14.1.0			14.1.4
cpe:2.3:a:f5:big-ip_link_controller::::::::	14.1.0			14.1.4
cpe:2.3:a:f5:big-ip_policy_enforcement_manager::::::::	14.1.0			14.1.4
cpe:2.3:a:f5:big-ip_policy_enforcement_manager::::::::	11.6.1			11.6.5.3
cpe:2.3:a:f5:big-ip_local_traffic_manager::::::::	11.6.1			11.6.5.3
cpe:2.3:a:f5:big-ip_link_controller::::::::	11.6.1			11.6.5.3
cpe:2.3:a:f5:big-ip_global_traffic_manager::::::::	11.6.1			11.6.5.3
cpe:2.3:a:f5:big-ip_fraud_protection_service::::::::	11.6.1			11.6.5.3
cpe:2.3:a:f5:big-ip_domain_name_system::::::::	11.6.1			11.6.5.3
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender::::::::	11.6.1			11.6.5.3
cpe:2.3:a:f5:big-ip_application_security_manager::::::::	11.6.1			11.6.5.3
cpe:2.3:a:f5:big-ip_application_acceleration_manager::::::::	11.6.1			11.6.5.3
cpe:2.3:a:f5:big-ip_analytics::::::::	11.6.1			11.6.5.3
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall::::::::	11.6.1			11.6.5.3
cpe:2.3:a:f5:big-ip_advanced_firewall_manager::::::::	11.6.1			11.6.5.3
cpe:2.3:a:f5:big-ip_access_policy_manager::::::::	11.6.1			11.6.5.3
cpe:2.3:a:f5:big-ip_access_policy_manager::::::::	13.1.0			13.1.4
cpe:2.3:a:f5:big-ip_access_policy_manager::::::::	15.1.0			15.1.3
cpe:2.3:a:f5:big-ip_application_security_manager::::::::	15.1.0			15.1.3
cpe:2.3:a:f5:big-ip_advanced_firewall_manager::::::::	15.1.0			15.1.3
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall::::::::	15.1.0			15.1.3
cpe:2.3:a:f5:big-ip_analytics::::::::	15.1.0			15.1.3
cpe:2.3:a:f5:big-ip_application_acceleration_manager::::::::	15.1.0			15.1.3
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender::::::::	15.1.0			15.1.3
cpe:2.3:a:f5:big-ip_domain_name_system::::::::	15.1.0			15.1.3
cpe:2.3:a:f5:big-ip_fraud_protection_service::::::::	15.1.0			15.1.3
cpe:2.3:a:f5:big-ip_global_traffic_manager::::::::	15.1.0			15.1.3
cpe:2.3:a:f5:big-ip_link_controller::::::::	15.1.0			15.1.3
cpe:2.3:a:f5:big-ip_local_traffic_manager::::::::	15.1.0			15.1.3
cpe:2.3:a:f5:big-ip_policy_enforcement_manager::::::::	15.1.0			15.1.3
cpe:2.3:a:f5:big-ip_ssl_orchestrator::::::::	15.1.0			15.1.3
cpe:2.3:a:f5:big-ip_advanced_firewall_manager::::::::	13.1.0			13.1.4
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall::::::::	13.1.0			13.1.4
cpe:2.3:a:f5:big-ip_analytics::::::::	13.1.0			13.1.4
cpe:2.3:a:f5:big-ip_application_acceleration_manager::::::::	13.1.0			13.1.4
cpe:2.3:a:f5:big-ip_application_security_manager::::::::	13.1.0			13.1.4
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender::::::::	13.1.0			13.1.4
cpe:2.3:a:f5:big-ip_domain_name_system::::::::	13.1.0			13.1.4
cpe:2.3:a:f5:big-ip_fraud_protection_service::::::::	13.1.0			13.1.4
cpe:2.3:a:f5:big-ip_global_traffic_manager::::::::	13.1.0			13.1.4
cpe:2.3:a:f5:big-ip_link_controller::::::::	13.1.0			13.1.4
cpe:2.3:a:f5:big-ip_local_traffic_manager::::::::	13.1.0			13.1.4
cpe:2.3:a:f5:big-ip_policy_enforcement_manager::::::::	13.1.0			13.1.4
cpe:2.3:a:f5:big-ip_ssl_orchestrator::::::::	13.1.0			13.1.4
cpe:2.3:a:f5:big-ip_ssl_orchestrator::::::::	14.1.0			14.1.4
cpe:2.3:a:f5:big-ip_access_policy_manager::::::::	12.1.0			12.1.6
cpe:2.3:a:f5:big-ip_advanced_firewall_manager::::::::	12.1.0			12.1.6
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall::::::::	12.1.0			12.1.6
cpe:2.3:a:f5:big-ip_analytics::::::::	12.1.0			12.1.6
cpe:2.3:a:f5:big-ip_application_acceleration_manager::::::::	12.1.0			12.1.6
cpe:2.3:a:f5:big-ip_application_security_manager::::::::	12.1.0			12.1.6
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender::::::::	12.1.0			12.1.6
cpe:2.3:a:f5:big-ip_domain_name_system::::::::	12.1.0			12.1.6
cpe:2.3:a:f5:big-ip_fraud_protection_service::::::::	12.1.0			12.1.6
cpe:2.3:a:f5:big-ip_global_traffic_manager::::::::	12.1.0			12.1.6
cpe:2.3:a:f5:big-ip_link_controller::::::::	12.1.0			12.1.6
cpe:2.3:a:f5:big-ip_local_traffic_manager::::::::	12.1.0			12.1.6
cpe:2.3:a:f5:big-ip_policy_enforcement_manager::::::::	12.1.0			12.1.6
cpe:2.3:a:f5:big-ip_ssl_orchestrator::::::::	11.6.1			11.6.5.3
cpe:2.3:a:f5:big-ip_ssl_orchestrator::::::::	12.1.0			12.1.6

Related information, measures and tools

No	URL	refsource	タグ
1	https://support.f5.com/csp/article/K10751325		Vendor Advisory
2	https://support.f5.com/csp/article/K10751325		Vendor Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-400	リソースの枯渇	https://cwe.mitre.org/data/definitions/400.html

JVN Vulnerability Information

BIG-IP におけるリソースの枯渇に関する脆弱性

Title	BIG-IP におけるリソースの枯渇に関する脆弱性
Summary	BIG-IP には、リソースの枯渇に関する脆弱性が存在します。
Possible impacts	サービス運用妨害 (DoS) 状態にされる可能性があります。
Solution	ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date	April 28, 2021, midnight
Registration Date	Jan. 31, 2022, 12:11 p.m.
Last Update	Jan. 31, 2022, 12:11 p.m.

Affected System

F5 Networks

BIG-IP Access Policy Manager (APM)

BIG-IP Advanced Firewall Manager (AFM)

BIG-IP Advanced Web Application Firewall (WAF)

BIG-IP Analytics

BIG-IP Application Acceleration Manager (AAM)

BIG-IP Application Security Manager (ASM)

BIG-IP DDoS Hybrid Defender

BIG-IP Domain Name System (DNS)

BIG-IP Fraud Protection Service (FPS)

BIG-IP Global Traffic Manager (GTM)

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2021-23011	https://www.cve.org/CVERecord?id=CVE-2021-23011
National Vulnerability Database (NVD)
2	CVE-2021-23011	https://nvd.nist.gov/vuln/detail/CVE-2021-23011

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-400	https://cwe.mitre.org/data/definitions/400.html

ベンダー情報

No	Name	URL
Security Advisory
1	K10751325	https://support.f5.com/csp/article/K10751325

Change Log

No	Changed Details	Date of change
1	[2022年01月31日] 掲載	Jan. 31, 2022, 12:11 p.m.