CVE-2022-26071

State: Published
Severity: 7.4 High
Published: May 5, 2022
Updated: Sep 17, 2024
Reserved: Apr 19, 2022

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

Scores

CVSS	Score	Vector	Source
3.1	7.4 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N	f5

Weaknesses

CWE-330 Use of Insufficiently Random Values

Affected Products

Product	Versions
BIG-IPF5	12.1.xAffected 11.6.xAffected 17.0.0 to before 17.0.x*Not affected 16.1.x to before 16.1.2.2Affected 15.1.x to before 15.1.5.1Affected 14.1.x to before 14.1.4.6Affected 13.1.x to before 13.1.5Affected

References

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

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