CVE-2022-26071
Last modified
CVE-2022-26071 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.98% chance of exploitation in the next 30 days.
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
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Access Policy Manager | 11.6.1 |
| F5 | Big-Ip Access Policy Manager | 11.6.2 |
| F5 | Big-Ip Access Policy Manager | 11.6.3 |
| F5 | Big-Ip Access Policy Manager | 11.6.4 |
| F5 | Big-Ip Access Policy Manager | 11.6.5 |
| F5 | Big-Ip Access Policy Manager | 12.1.0 |
| F5 | Big-Ip Access Policy Manager | 12.1.1 |
| F5 | Big-Ip Access Policy Manager | 12.1.2 |
| F5 | Big-Ip Access Policy Manager | 12.1.3 |
| F5 | Big-Ip Access Policy Manager | 12.1.4 |
| F5 | Big-Ip Access Policy Manager | 12.1.5 |
| F5 | Big-Ip Access Policy Manager | 12.1.6 |
| F5 | Big-Ip Access Policy Manager | 13.1.0 |
| F5 | Big-Ip Access Policy Manager | 13.1.1 |
| F5 | Big-Ip Access Policy Manager | 13.1.3 |
| F5 | Big-Ip Access Policy Manager | 13.1.4 |
| F5 | Big-Ip Access Policy Manager | 13.1.5 |
| F5 | Big-Ip Access Policy Manager | 14.1.0 |
| F5 | Big-Ip Access Policy Manager | 14.1.2 |
| F5 | Big-Ip Access Policy Manager | 14.1.3 |
| F5 | Big-Ip Access Policy Manager | 14.1.4 |
| F5 | Big-Ip Access Policy Manager | 15.1.0 |
| F5 | Big-Ip Access Policy Manager | 15.1.1 |
| F5 | Big-Ip Access Policy Manager | 15.1.2 |
| F5 | Big-Ip Access Policy Manager | 15.1.3 |
| F5 | Big-Ip Access Policy Manager | 15.1.4 |
| F5 | Big-Ip Access Policy Manager | 15.1.5 |
| F5 | Big-Ip Access Policy Manager | 16.1.0 |
| F5 | Big-Ip Access Policy Manager | 16.1.1 |
| F5 | Big-Ip Access Policy Manager | 16.1.2 |
| F5 | Big-Ip Access Policy Manager | 17.0.0 |
| F5 | Big-Ip Advanced Firewall Manager | 11.6.1 |
| F5 | Big-Ip Advanced Firewall Manager | 11.6.2 |
| F5 | Big-Ip Advanced Firewall Manager | 11.6.3 |
| F5 | Big-Ip Advanced Firewall Manager | 11.6.4 |
| F5 | Big-Ip Advanced Firewall Manager | 11.6.5 |
| F5 | Big-Ip Advanced Firewall Manager | 12.1.0 |
| F5 | Big-Ip Advanced Firewall Manager | 12.1.1 |
| F5 | Big-Ip Advanced Firewall Manager | 12.1.2 |
| F5 | Big-Ip Advanced Firewall Manager | 12.1.3 |
| F5 | Big-Ip Advanced Firewall Manager | 12.1.4 |
| F5 | Big-Ip Advanced Firewall Manager | 12.1.5 |
| F5 | Big-Ip Advanced Firewall Manager | 12.1.6 |
| F5 | Big-Ip Advanced Firewall Manager | 13.1.0 |
| F5 | Big-Ip Advanced Firewall Manager | 13.1.1 |
| F5 | Big-Ip Advanced Firewall Manager | 13.1.3 |
| F5 | Big-Ip Advanced Firewall Manager | 13.1.4 |
| F5 | Big-Ip Advanced Firewall Manager | 13.1.5 |
| F5 | Big-Ip Advanced Firewall Manager | 14.1.0 |
| F5 | Big-Ip Advanced Firewall Manager | 14.1.2 |
Showing 50 of 341 affected configurations. See NVD for the full list.
References
- https://support.f5.com/csp/article/K41440465Vendor Advisory
- https://support.f5.com/csp/article/K41440465Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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