SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-2417

A Missing Authentication for Critical Function vulnerability in Pharos Controls Mosaic Show Controller firmware version 2.15.3 could allow an unauthenticated attacker to bypass authentication and execute arbitrary commands with root privileges.

CRITICAL 9.3EPSS 0.57%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A Missing Authentication for Critical Function vulnerability in Pharos Controls Mosaic Show Controller firmware version 2.15.3 could allow an unauthenticated attacker to bypass authentication and execute arbitrary commands with root privileges.

CVSS 4.0
9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.57% probability · 46th percentile
CISA KEV
Not listed
Weakness
CWE-306
Source
ics-cert@hq.dhs.gov

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