CVE-2022-26071 Information

Description

On F5 BIG-IP 16.1.x versions prior to 16.1.2.2 15.1.x versions prior to 15.1.5.1 14.1.x versions prior to 14.1.4.6 13.1.x versions prior to 13.1.5 and all versions of 12.1.x and 11.6.x a flaw in the way reply ICMP packets are limited in the Traffic Management Microkernel (TMM) allows an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Reference

https://support.f5.com/csp/article/K41440465

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5