SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-5023

Virtual servers in F5 BIG-IP systems 11.2.1 HF11 through HF15, 11.4.1 HF4 through HF10, 11.5.3 through 11.5.4, 11.6.0 HF5 through HF7, and 12.0.0, when configured with a TCP profile, allow remote attackers to cause a denial of service (Traffic…

HIGH 7.5EPSS 3.05%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Virtual servers in F5 BIG-IP systems 11.2.1 HF11 through HF15, 11.4.1 HF4 through HF10, 11.5.3 through 11.5.4, 11.6.0 HF5 through HF7, and 12.0.0, when configured with a TCP profile, allow remote attackers to cause a denial of service (Traffic Management Microkernel restart) via crafted network traffic.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
3.05% probability · 87th percentile
CISA KEV
Not listed
Weakness
CWE-284
Affected
f5/big-ip edge gateway · f5/big-ip protocol security module · f5/big-ip analytics · f5/big-ip application security manager · f5/big-ip advanced firewall manager · f5/big-ip domain name system · f5/big-ip policy enforcement manager · f5/big-ip wan optimization manager · f5/big-ip access policy manager · f5/big-ip application acceleration manager · f5/big-ip link controller · f5/big-ip global traffic manager · f5/big-ip webaccelerator
Source
cve@mitre.org

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