CVE-2015-8240

7.5 HIGH 2% exploit odds Fix listed

What it is

The Traffic Management Microkernel (TMM) in F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, GTM, Link Controller, and BIG-IP PEM before 11.4.1 HF10, 11.5.x before 11.5.4, and 11.6.x before 11.6.0 HF6 and BIG-IP PSM before 11.4.1 HF10 does not properly handle TCP options, which allows remote attackers to cause a denial of service via unspecified vectors, related to the tm.minpathmtu database variable.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds: 1.8% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2016-04-11 14:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 00:34 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.8% in the next 30 days (EPSS).
Severity: 7.5 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2016-04-11 14:59 UTC
Last modified: 2026-06-17 00:34 UTC
Exploit probability: 1.8% · EPSS, next 30 days
Weakness: CWE-19
Record status: Modified

Affected

f5 big-ip Access Policy Manager 11.4.1
f5 big-ip Access Policy Manager 11.5.3
f5 big-ip Access Policy Manager 11.6.0
f5 big-ip Advanced Firewall Manager 11.4.1
f5 big-ip Advanced Firewall Manager 11.5.3
f5 big-ip Advanced Firewall Manager 11.6.0
f5 big-ip Analytics 11.4.1
f5 big-ip Analytics 11.5.3

Attack profile CVSS 3.0 · 7.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2015-8240.md and follow it. Check whether this project is affected by CVE-2015-8240. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

· More options · Status badge

Download Square Reddit

Fix and advisories

References

NVD record · CVE.org record