Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2020-5947

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
19/11/2020
Last modified:
02/12/2020

Description

In versions 16.0.0-16.0.0.1 and 15.1.0-15.1.1, on specific BIG-IP platforms, attackers may be able to obtain TCP sequence numbers from the BIG-IP system that can be reused in future connections with the same source and destination port and IP numbers. Only these platforms are affected: BIG-IP 2000 series (C112), BIG-IP 4000 series (C113), BIG-IP i2000 series (C117), BIG-IP i4000 series (C115), BIG-IP Virtual Edition (VE).

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

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

Base Score 3.x
4.30
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:L/Au:S/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.00 MEDIUM
Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
4.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* 15.0.0 (including) 15.1.2 (excluding)
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* 16.0.0 (including) 16.0.1 (excluding)
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* 15.0.0 (including) 15.1.2 (excluding)
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* 16.0.0 (including) 16.0.1 (excluding)
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* 15.0.0 (including) 15.1.2 (excluding)
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* 16.0.0 (including) 16.0.1 (excluding)
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* 15.0.0 (including) 15.1.2 (excluding)
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* 16.0.0 (including) 16.0.1 (excluding)
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* 15.0.0 (including) 15.1.2 (excluding)
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* 16.0.0 (including) 16.0.1 (excluding)
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* 15.0.0 (including) 15.1.2 (excluding)
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* 16.0.0 (including) 16.0.1 (excluding)
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* 15.0.0 (including) 15.1.2 (excluding)
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* 16.0.0 (including) 16.0.1 (excluding)
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* 15.0.0 (including) 15.1.2 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools