SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2025-53695

OS Command Injection in iSTAR Ultra products web application allows an authenticated attacker to gain even more privileged access ('root' user) to the device firmware.

CRITICAL 9.4EPSS 0.90%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.90%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

OS Command Injection in iSTAR Ultra products web application allows an authenticated attacker to gain even more privileged access ('root' user) to the device firmware.

CVSS 4.0
9.4 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.90% probability · 58th percentile
CISA KEV
Not listed
Weakness
CWE-78
Source
ot-cert@dragos.com

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