Vulnerability CVE-2020-5918

Vulnerability Name:

CVE-2020-5918 (CCN-187391)

Assigned:

2020-08-25

Published:

2020-08-25

Updated:

2021-07-21

Summary:

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.

CVSS v3 Severity:

7.5 High (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 (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

5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/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): High 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

5.4 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C)

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

Vulnerability Type:

CWE-400

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2020-5918

Source: XF
Type: UNKNOWN
f5-cve20205918-dos(187391)

Source: CCN
Type: F5 Security Advisory K26464312
TMM SCTP vulnerability CVE-2020-5918

Source: MISC
Type: Vendor Advisory
https://support.f5.com/csp/article/K26464312

Vulnerable Configuration:

Configuration 1:

cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.2)

OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.2)

OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.4)

OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.5)

OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.0.1.4)

OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.0.5)

OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.2)

OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.2)

OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.4)

OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.5)

OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.0.1.4)

OR cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.2)

OR cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.2)

OR cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.4)

OR cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.0.1.4)

OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.2)

OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.2)

OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.4)

OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.0.1.4)

OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.2)

OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.2)

OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.4)

OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.0.1.4)

OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.2)

OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.2)

OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.4)

OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.0.5)

OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.5)

OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.0.5)

OR cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.0.5)

OR cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.5)

OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.0.5)

OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.5)

OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.0.1.4)

OR cpe:/a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.2)

OR cpe:/a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.2)

OR cpe:/a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.4)

OR cpe:/a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.0.1.4)

OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.2)

OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.2)

OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.4)

OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.0.1.4)

OR cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.2)

OR cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.2)

OR cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.4)

OR cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.0.1.4)

OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.2)

OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.2)

OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.4)

OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.0.1.4)

OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.2)

OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 12.1.0 and < 12.1.5.2)

OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 13.1.0 and < 13.1.3.4)

OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.0.1.4)

OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.0.5)

OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.5)

OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.0.5)

OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.5)

OR cpe:/a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.0.5)

OR cpe:/a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.5)

OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.0.5)

OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.5)

OR cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.0.5)

OR cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.5)

OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 15.1.0 and < 15.1.0.5)

OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.5)

Configuration CCN 1:

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:/o:f5:big-ip:15.0.1:*:*:*:*:*:*:*

OR cpe:/o:f5:big-ip:14.1.2:*:*:*:*:*:*:*

OR cpe:/o:f5:big-ip:15.1.0:*:*:*:*:*:*:*

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

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

Denotes that component is vulnerable

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