Vulnerability CVE-2021-22998

Vulnerability Name:

CVE-2021-22998 (CCN-199214)

Assigned:

2021-03-26

Published:

2021-03-26

Updated:

2021-04-05

Summary:

On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, SYN flood protection thresholds are not enforced in secure network address translation (SNAT) listeners.
Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

CVSS v3 Severity:

5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

Vulnerability Type:

CWE-noinfo

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2021-22998

Source: XF
Type: UNKNOWN
f5-cve202122998-dos(199214)

Source: CCN
Type: F5 Security Advisory K31934524
BIG-IP SNAT vulnerability CVE-2021-22998

Source: MISC
Type: Vendor Advisory
https://support.f5.com/csp/article/K31934524

Vulnerable Configuration:

Configuration 1:

cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.3)

OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.3)

OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.6)

OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.4)

OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.2.1)

OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 16.0.0 and < 16.0.1.1)

OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.3)

OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.3)

OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.6)

OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.4)

OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.2.1)

OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 16.0.0 and < 16.0.1.1)

OR cpe:/a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.3)

OR cpe:/a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.3)

OR cpe:/a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.6)

OR cpe:/a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.4)

OR cpe:/a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.2.1)

OR cpe:/a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* (Version >= 16.0.0 and < 16.0.1.1)

OR cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.3)

OR cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.3)

OR cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.6)

OR cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.4)

OR cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.2.1)

OR cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 16.0.0 and < 16.0.1.1)

OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.3)

OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.3)

OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.6)

OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.4)

OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.2.1)

OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 16.0.0 and < 16.0.1.1)

OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.3)

OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.3)

OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.6)

OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.4)

OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.2.1)

OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 16.0.0 and < 16.0.1.1)

OR cpe:/a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.3)

OR cpe:/a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.3)

OR cpe:/a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.6)

OR cpe:/a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.4)

OR cpe:/a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.2.1)

OR cpe:/a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* (Version >= 16.0.0 and < 16.0.1.1)

OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.3)

OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.3)

OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.6)

OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.4)

OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.2.1)

OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 16.0.0 and < 16.0.1.1)

OR cpe:/a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.3)

OR cpe:/a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.3)

OR cpe:/a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.6)

OR cpe:/a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.4)

OR cpe:/a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.2.1)

OR cpe:/a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* (Version >= 16.0.0 and < 16.0.1.1)

OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.3)

OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.3)

OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.6)

OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.4)

OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.2.1)

OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 16.0.0 and < 16.0.1.1)

OR cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.3)

OR cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.3)

OR cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.6)

OR cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.4)

OR cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.2.1)

OR cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 16.0.0 and < 16.0.1.1)

OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.3)

OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.3)

OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.6)

OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.4)

OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.2.1)

OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 16.0.0 and < 16.0.1.1)

OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.3)

OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.3)

OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.6)

OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.4)

OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.2.1)

OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 16.0.0 and < 16.0.1.1)

OR cpe:/a:f5:ssl_orchestrator:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.3)

OR cpe:/a:f5:ssl_orchestrator:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.3)

OR cpe:/a:f5:ssl_orchestrator:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.6)

OR cpe:/a:f5:ssl_orchestrator:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.4)

OR cpe:/a:f5:ssl_orchestrator:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.2.1)

OR cpe:/a:f5:ssl_orchestrator:*:*:*:*:*:*:*:* (Version >= 16.0.0 and < 16.0.1.1)

Configuration CCN 1:

cpe:/a:f5:big-ip:11.6.1:*:*:*:*:*:*:*

OR cpe:/a:f5:big-ip:12.1.0:*:*:*:*:*:*:*

OR cpe:/a:f5:big-ip:13.1.0:*:*:*:*:*:*:*

OR cpe:/a:f5:big-ip:15.0.0:*:*:*:*:*:*:*

OR cpe:/o:f5:big-ip:13.1.3:*:*:*:*:*:*:*

OR cpe:/o:f5:big-ip:12.1.5:*:*:*:*:*:*:*

OR cpe:/o:f5:big-ip:11.6.5:*:*:*:*:*:*:*

OR cpe:/a:f5:big-ip:14.1.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

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