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MEDIUM · 5.4

CVE-2020-5923

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.

Vulnerability Description

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 Score

5.4

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
F5Big-Ip Access Policy Manager>= 11.6.1, < 11.6.5.2
F5Big-Ip Advanced Firewall Manager>= 11.6.1, < 11.6.5.2
F5Big-Ip Analytics>= 11.6.1, < 11.6.5.2
F5Big-Ip Application Acceleration Manager>= 11.6.1, < 11.6.5.2
F5Big-Ip Application Security Manager>= 11.6.1, < 11.6.5.2
F5Big-Ip Domain Name System>= 11.6.1, < 11.6.5.2
F5Big-Ip Fraud Protection Service>= 11.6.1, < 11.6.5.2
F5Big-Ip Global Traffic Manager>= 11.6.1, < 11.6.5.2
F5Big-Ip Link Controller>= 11.6.1, < 11.6.5.2
F5Big-Ip Local Traffic Manager>= 11.6.1, < 11.6.5.2
F5Big-Ip Policy Enforcement Manager>= 11.6.1, < 11.6.5.2
F5Big-Iq Centralized Management>= 6.0.0, <= 6.1.0

References

FAQ

What is CVE-2020-5923?

CVE-2020-5923 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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.

How severe is CVE-2020-5923?

CVE-2020-5923 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-5923?

Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager.