SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-6163

Remote client initiating stream beyond the advertised limit can cause a disruption of service.

MEDIUM 5.9EPSS 1.67%

Does this matter?

Lower severity and a low EPSS score (1.67%). Track it; it rarely justifies an emergency change on its own.

Description

In F5 BIG-IP LTM, AAM, AFM, APM, ASM, Link Controller, PEM, PSM software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1, 11.4.0 to 11.5.4, when a virtual server uses the standard configuration of HTTP/2 or SPDY profile with Client SSL profile, and the client initiates a number of concurrent streams beyond the advertised limit can cause a disruption of service. Remote client initiating stream beyond the advertised limit can cause a disruption of service. The Traffic Management Microkernel (TMM) data plane is exposed to this issue; the control plane is not exposed.

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
1.67% probability · 76th percentile
CISA KEV
Not listed
Weakness
CWE-119
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 protocol security module
Source
f5sirt@f5.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.