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CVE-2023-22839

high

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 profil…

Vendor / product: F5 — big-ip domain name system

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
7.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2023-02-01 18:15
Modified: 2026-10-28 19:10
NVD status: Modified
Last synced 11 hours ago
Verified against the source API 2026-10-28 19:26 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

f5 / big-ip_domain_name_system ≥13.1.0 ≤13.1.5, ≥14.1.0 <14.1.5.3, ≥15.1.0 <15.1.7, ≥16.1.0 <16.1.3.3, ≥17.0.0 <17.0.0.2
f5 / big-ip_local_traffic_manager ≥13.1.0 ≤13.1.5, ≥14.1.0 <14.1.5.3, ≥15.1.0 <15.1.7, ≥16.1.0 <16.1.3.3, ≥17.0.0 <17.0.0.2
f5 / big-ip_10000s_firmware all versions
f5 / big-ip_10200v_firmware all versions
f5 / big-ip_10200v-ssl_firmware all versions
f5 / big-ip_12000_firmware all versions
f5 / big-ip_5000s_firmware all versions
f5 / big-ip_5200v_firmware all versions
f5 / big-ip_5200v-ssl_firmware all versions
f5 / big-ip_7000s_firmware all versions
f5 / big-ip_7200v_firmware all versions
f5 / big-ip_7200v-ssl_firmware all versions
f5 / big-ip_i10600_firmware all versions
f5 / big-ip_i10800_firmware all versions
f5 / big-ip_i11600_firmware all versions
f5 / big-ip_i11800_firmware all versions
f5 / big-ip_i15600_firmware all versions
f5 / big-ip_i15800_firmware all versions
f5 / big-ip_i5600_firmware all versions
f5 / big-ip_i5800_firmware all versions
f5 / big-ip_i7600_firmware all versions
f5 / big-ip_i7800_firmware all versions
f5 / r10600_firmware all versions
f5 / r10800_firmware all versions
f5 / r10900_firmware all versions
f5 / r5600_firmware all versions
f5 / r5800_firmware all versions
f5 / r5900_firmware all versions
f5 / velos_bx110_firmware all versions
f5 / viprion_b2100_firmware all versions
f5 / viprion_b2150_firmware all versions
f5 / viprion_b2250_firmware all versions
f5 / viprion_b4300_firmware all versions
f5 / viprion_b4450_firmware all versions

Weakness classification (CWE)

CWE-476

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

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

References

Data sources

NVD CVE API 2.0 — fetched 2026-10-28 19:26 UTC · record ↗

Learn the basics

Understanding CVEs and CVSS Scores

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