High 7.5Published Feb 1, 2023

CVE-2023-22839On BIG-IP versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8.1, 14.1.x before 14.1.5.3, and all version of 13.1.x, when a DNS profile with the Rapid Response Mode setting e…

Updated under an hour ago (Oct 30, 2026, 5:50 AM ET)

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It affects f5 big-ip_domain_name_system and 33 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Start free and add your stackFree account, 3 products Every CVE for f5 big-ip_domain_name_system Exploited in the last 30 days

On BIG-IP versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8.1, 14.1.x before 14.1.5.3, and all version of 13.1.x, when a DNS profile with the Rapid Response Mode setting enabled is configured on a virtual server with hardware SYN cookies enabled, undisclosed requests cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS: 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-476
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Oct 28, 2026
First seen by InfoSec Signals: Oct 28, 2026

Affected products

Affected products

f5 big-ip_domain_name_system f5:big-ip_domain_name_system	from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5.3; from 15.1.0 before 15.1.7; from 16.1.0 before 16.1.3.3; from 17.0.0 before 17.0.0.2	NVD
f5 big-ip_local_traffic_manager f5:big-ip_local_traffic_manager	from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5.3; from 15.1.0 before 15.1.7; from 16.1.0 before 16.1.3.3; from 17.0.0 before 17.0.0.2	NVD
f5 big-ip_10000s_firmware f5:big-ip_10000s_firmware	all versions	NVD
f5 big-ip_10200v_firmware f5:big-ip_10200v_firmware	all versions	NVD
f5 big-ip_10200v-ssl_firmware f5:big-ip_10200v-ssl_firmware	all versions	NVD
f5 big-ip_12000_firmware f5:big-ip_12000_firmware	all versions	NVD
f5 big-ip_5000s_firmware f5:big-ip_5000s_firmware	all versions	NVD
f5 big-ip_5200v_firmware f5:big-ip_5200v_firmware	all versions	NVD
f5 big-ip_5200v-ssl_firmware f5:big-ip_5200v-ssl_firmware	all versions	NVD
f5 big-ip_7000s_firmware f5:big-ip_7000s_firmware	all versions	NVD
1–10 of 34

References

References

https://my.f5.com/manage/s/article/K37708118	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.