No exploitation reported

CVE-2017-6140

No exploitation reported by the sources we read.

Published2017-12-21
WeaknessCWE-20

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 the BIG-IP 2000s, 2200s, 4000s, 4200v, i5600, i5800, i7600, i7800, i10600,i10800, and VIPRION 4450 blades, running version 11.5.0, 11.5.1, 11.5.2, 11.5.3, 11.5.4, 11.6.0, 11.6.1, 12.0.0, 12.1.0, 12.1.1 or 12.1.2 of BIG-IP LTM, AAM, AFM, Analytics, ASM, DNS, GTM or PEM, an undisclosed sequence of packets sent to Virtual Servers with client or server SSL profiles may cause disruption of data plane services.

Timeline

dates in UTC

2017-12-2117:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 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-2017-6140?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-6140?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 advanced firewall managerversion to verify

Branch	Affected	Fixed in	Source
11.5	= 11.5.0	no fix published	NVD
11.5	= 11.5.1	no fix published	NVD
11.5	= 11.5.2	no fix published	NVD
11.5	= 11.5.3	no fix published	NVD
11.5	= 11.5.4	no fix published	NVD
11.6	= 11.6.0	no fix published	NVD
11.6	= 11.6.1	no fix published	NVD
12.0	= 12.0.0	no fix published	NVD
12.1	= 12.1.0	no fix published	NVD
12.1	= 12.1.1	no fix published	NVD
12.1	= 12.1.2	no fix published	NVD

F5 big-ip analyticsversion to verify

Branch	Affected	Fixed in	Source
11.5	= 11.5.0	no fix published	NVD
11.5	= 11.5.1	no fix published	NVD
11.5	= 11.5.2	no fix published	NVD
11.5	= 11.5.3	no fix published	NVD
11.5	= 11.5.4	no fix published	NVD
11.6	= 11.6.0	no fix published	NVD
11.6	= 11.6.1	no fix published	NVD
12.0	= 12.0.0	no fix published	NVD
12.1	= 12.1.0	no fix published	NVD
12.1	= 12.1.1	no fix published	NVD
12.1	= 12.1.2	no fix published	NVD

F5 big-ip application acceleration managerversion to verify

Branch	Affected	Fixed in	Source
11.5	= 11.5.0	no fix published	NVD
11.5	= 11.5.1	no fix published	NVD
11.5	= 11.5.2	no fix published	NVD
11.5	= 11.5.3	no fix published	NVD
11.5	= 11.5.4	no fix published	NVD
11.6	= 11.6.0	no fix published	NVD
11.6	= 11.6.1	no fix published	NVD
12.0	= 12.0.0	no fix published	NVD
12.1	= 12.1.0	no fix published	NVD
12.1	= 12.1.1	no fix published	NVD
12.1	= 12.1.2	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 3.07.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
NVDweakness (CWE)CWE-20read 2026-10-23
FIRST EPSSEPSS score1.6 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2017-12-21
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2017-6140?

Is CVE-2017-6140 actively exploited?

Active exploitation of CVE-2017-6140 has not been confirmed. Its EPSS score was 1.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-6140?

CVE-2017-6140 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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