CVE-2022-26071

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CVSS 3.1

7.5 high

EPSS

1%p62

Published

May 5, 2022 (May 5, 2022)

Modified

Jun 17, 2026

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

Vendors: f5
Products: big-ip access policy manager, big-ip advanced firewall manager, big-ip analytics, big-ip application acceleration manager, big-ip application security manager, big-ip domain name system, big-ip fraud protection service, big-ip global traffic manager, big-ip link controller, big-ip local traffic manager, big-ip policy enforcement manager
Weakness: CWE-330
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (1.1%)

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