CVE-2022-26071: 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
This F5 advisory covers CVE-2022-26071. Related products: BIG-IP.
- CVE-2022-26071
Key facts
- Vendor rating
- High, CVSS 7.4
- CISA KEV
- Not listed (catalogue checked )
- Versions named
- all versions
- Fixed in
- 16.1.2.2, 15.1.5.1, 14.1.4.6 and 1 more below
- Source published
- Source revised
- Listed by VulniPulse
- Record changed
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Related products & platforms
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
Text from the source record.
- all versions
Official advisory · high-confidence parse· fetched ·verify at source
How to fix CVE-2022-26071
Upgrade to a fixed release named by F5:
- 16.1.2.2
- 15.1.5.1
- 14.1.4.6
- 13.1.5
Support dates for the fixed release lines
- F5 BIG-IP 16.1: support ended
- F5 BIG-IP 15.1: support ended
- F5 BIG-IP 14.1: support ended
- F5 BIG-IP 13.1: support ended
More F5 advisories
CVE-2026-94127Sep 22, 2026When a BIG-IP APM access policy and an OAuth profile are configured on a virtual serverCVE-2026-66842Sep 2, 2026BIG-IP vulnerabilityCVE-2026-59762Jul 15, 2026BIG-IP: When an HTTP/2 profile is configured on a virtual server, undisclosed requestsCVE-2026-39458May 13, 2026When a BIG-IP is configured with DNS cachingCVE-2025-58071Oct 15, 2025When IPsec is configured on the BIG-IP system, undisclosed trafficCVE-2025-54854Oct 15, 2025When a BIG-IP APM OAuth access profile (Resource Server or Resource Client) is configured
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