VulnerabilityModified

CVE-2017-6159

MEDIUM 5.9EPSS 1.59%

Does this matter?

Lower severity and a low EPSS score (1.59%). Track it; it rarely justifies an emergency change on its own.

Description

F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM, Websafe software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1 are vulnerable to a denial of service attack when the MPTCP option is enabled on a virtual server. Data plane is vulnerable when using the MPTCP option of a TCP profile. There is no control plane exposure. An attacker may be able to disrupt services by causing TMM to restart hence temporarily failing to process traffic.

CVSS 3.0: 5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 1.59% probability · 76th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Affected: f5/big-ip local traffic manager · f5/big-ip application acceleration manager · f5/big-ip advanced firewall manager · f5/big-ip access policy manager · f5/big-ip application security manager · f5/big-ip link controller · f5/big-ip policy enforcement manager · f5/big-ip websafe
Source: f5sirt@f5.com

EPSS trend

EPSS 1.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

http://www.securityfocus.com/bid/101633Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039669Third Party Advisory, VDB Entry
https://support.f5.com/csp/article/K10002335Vendor Advisory
http://www.securityfocus.com/bid/101633Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039669Third Party Advisory, VDB Entry
https://support.f5.com/csp/article/K10002335Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.