Vulnerability Name:

CVE-2020-5923 (CCN-187396)

Assigned:2020-08-25
Published:2020-08-25
Updated:2020-09-02
Summary:In BIG-IP versions 15.0.0-15.1.0.4, 14.1.0-14.1.2.6, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1 and BIG-IQ versions 5.4.0-7.0.0, Self-IP port-lockdown bypass via IPv6 link-local addresses.
CVSS v3 Severity:5.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
4.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
5.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
4.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.8 Medium (CVSS v2 Vector: AV:A/AC:L/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
4.8 Medium (CCN CVSS v2 Vector: AV:A/AC:L/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2020-5923

Source: XF
Type: UNKNOWN
f5-cve20205923-sec-bypass(187396)

Source: CCN
Type: F5 Security Advisory K05975972
BIG-IP self IP vulnerability CVE-2020-5923

Source: MISC
Type: Vendor Advisory
https://support.f5.com/csp/article/K05975972

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 < 14.1.2.7)
  • OR cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 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 < 14.1.2.7)
  • OR cpe:/a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.1.0.5)
  • 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_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_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_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_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_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and < 11.6.5.2)
  • OR cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.7)
  • OR cpe:/a:f5:big-ip_analytics:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.1.0.5)
  • OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.7)
  • OR cpe:/a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.1.0.5)
  • OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.7)
  • OR cpe:/a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.1.0.5)
  • OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.7)
  • OR cpe:/a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.1.0.5)
  • OR cpe:/a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.7)
  • OR cpe:/a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.1.0.5)
  • OR cpe:/a:f5:big-iq_centralized_management:*:*:*:*:*:*:*:* (Version >= 6.0.0 and <= 6.1.0)
  • OR cpe:/a:f5:big-iq_centralized_management:7.0.0:*:*:*:*:*:*:*
  • 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_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_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_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-iq_centralized_management:5.4.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.7)
  • OR cpe:/a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.1.0.5)
  • OR cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.7)
  • OR cpe:/a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.1.0.5)
  • OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.7)
  • OR cpe:/a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.1.0.5)
  • OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 14.1.0 and < 14.1.2.7)
  • OR cpe:/a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 15.1.0.5)

  • 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-iq_centralized_management:5.4.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:14.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-iq_centralized_management:6.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:11.5.2:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip:15.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-iq_centralized_management:6.1.0:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:13.1.3:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:12.1.5:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-iq_centralized_management:7.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:14.1.2:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:15.1.0:*:*:*:*:*:*:*
  • OR cpe:/o:f5:big-ip:11.6.5:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip access policy manager *
    f5 big-ip advanced firewall manager *
    f5 big-ip advanced firewall manager *
    f5 big-ip advanced firewall manager *
    f5 big-ip advanced firewall manager *
    f5 big-ip advanced firewall manager *
    f5 big-ip analytics *
    f5 big-ip analytics *
    f5 big-ip analytics *
    f5 big-ip application acceleration manager *
    f5 big-ip application acceleration manager *
    f5 big-ip application acceleration manager *
    f5 big-ip application security manager *
    f5 big-ip application security manager *
    f5 big-ip application security manager *
    f5 big-ip domain name system *
    f5 big-ip domain name system *
    f5 big-ip domain name system *
    f5 big-ip fraud protection service *
    f5 big-ip fraud protection service *
    f5 big-ip fraud protection service *
    f5 big-ip global traffic manager *
    f5 big-ip analytics *
    f5 big-ip analytics *
    f5 big-ip application acceleration manager *
    f5 big-ip application acceleration manager *
    f5 big-ip application security manager *
    f5 big-ip application security manager *
    f5 big-ip domain name system *
    f5 big-ip domain name system *
    f5 big-ip fraud protection service *
    f5 big-ip fraud protection service *
    f5 big-iq centralized management *
    f5 big-iq centralized management 7.0.0
    f5 big-ip global traffic manager *
    f5 big-ip global traffic manager *
    f5 big-ip link controller *
    f5 big-ip link controller *
    f5 big-ip link controller *
    f5 big-ip local traffic manager *
    f5 big-ip local traffic manager *
    f5 big-ip local traffic manager *
    f5 big-ip policy enforcement manager *
    f5 big-ip policy enforcement manager *
    f5 big-ip policy enforcement manager *
    f5 big-iq centralized management 5.4.0
    f5 big-ip global traffic manager *
    f5 big-ip global traffic manager *
    f5 big-ip link controller *
    f5 big-ip link controller *
    f5 big-ip local traffic manager *
    f5 big-ip local traffic manager *
    f5 big-ip policy enforcement manager *
    f5 big-ip policy enforcement manager *
    f5 big-ip 12.1.0
    f5 big-ip 13.1.0
    f5 big-iq centralized management 5.4.0
    f5 big-ip 14.0.0
    f5 big-iq centralized management 6.0.0
    f5 big-ip 11.5.2
    f5 big-ip 15.0.0
    f5 big-iq centralized management 6.1.0
    f5 big-ip 13.1.3
    f5 big-ip 12.1.5
    f5 big-iq centralized management 7.0.0
    f5 big-ip 14.1.2
    f5 big-ip 15.1.0
    f5 big-ip 11.6.5