No exploitation reported

CVE-2019-6673

No exploitation reported by the sources we read.

Published2019-11-27

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

On versions 15.0.0-15.0.1 and 14.0.0-14.1.2, when the BIG-IP is configured in HTTP/2 Full Proxy mode, specifically crafted requests may cause a disruption of service provided by the Traffic Management Microkernel (TMM).

Timeline

dates in UTC

2019-11-2722:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-6673?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-6673?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

F5 big-ip access policy manager

Branch	Affected	Fixed in	Source
14.x	≥ 14.0.0, ≤ 14.1.2	no fix published	NVD
15.0	≥ 15.0.0, ≤ 15.0.1	no fix published	NVD

F5 big-ip advanced firewall manager

Branch	Affected	Fixed in	Source
14.x	≥ 14.0.0, ≤ 14.1.2	no fix published	NVD
15.0	≥ 15.0.0, ≤ 15.0.1	no fix published	NVD

F5 big-ip application acceleration manager

Branch	Affected	Fixed in	Source
14.x	≥ 14.0.0, ≤ 14.1.2	no fix published	NVD
15.0	≥ 15.0.0, ≤ 15.0.1	no fix published	NVD

5 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

support.f5.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.17.5read 2026-10-23
NVDCVSS 2.04.3read 2026-10-23
FIRST EPSSEPSS score1.0 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2019-11-27
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-6673?

Is CVE-2019-6673 actively exploited?

Active exploitation of CVE-2019-6673 has not been confirmed. Its EPSS score was 1.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-6673?

CVE-2019-6673 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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