CVE-2013-6016

What it is

The Traffic Management Microkernel (TMM) in F5 BIG-IP LTM, APM, ASM, Edge Gateway, GTM, Link Controller, and WOM 10.0.0 through 10.2.2 and 11.0.0; Analytics 11.0.0; PSM 9.4.0 through 9.4.8, 10.0.0 through 10.2.4, and 11.0.0 through 11.4.1; and WebAccelerator 9.4.0 through 9.4.8, 10.0.0 through 10.2.4, and 11.0.0 through 11.3.0 might change a TCP connection to the ESTABLISHED state before receiving the ACK packet, which allows remote attackers to cause a denial of service (SIGFPE or assertion failure and TMM restart) via unspecified vectors.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of service disruption.

Exploit odds

2.8% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2013-10-26 17:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:59 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 2.8% in the next 30 days (EPSS).
• Severity: 7.8 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2013-10-26 17:55 UTC

Last modified

2026-06-16 23:59 UTC

Exploit probability

2.8% · EPSS, next 30 days

Weakness

CWE-20 · Improper input validation

Record status

Modified

Affected

• f5 big-ip Global Traffic Manager 10.0.0
• f5 big-ip Global Traffic Manager 10.0.1
• f5 big-ip Global Traffic Manager 10.1.0
• f5 big-ip Global Traffic Manager 10.2.0
• f5 big-ip Global Traffic Manager 10.2.1
• f5 big-ip Global Traffic Manager 10.2.2
• f5 big-ip Global Traffic Manager 11.0.0
• f5 big-ip Webaccelerator 9.4.0

Attack profile CVSS 2.0 · 7.8

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

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