CVE-2025-2566

CRITICAL EPSS 40.9%

Published Jun 24, 20251y ago · Modified Jun 17, 20262w ago

9.3 CVSS 4.0

Critical

Published Jun 24, 2025 1y ago

Last Modified Jun 17, 2026 2w ago

Description

Kaleris NAVIS N4 ULC (Ultra Light Client) contains an unsafe Java deserialization vulnerability. An unauthenticated attacker can make specially crafted requests to execute arbitrary code on the server.

CVSS Details

Base Score

9.3

Exploitability

—

Impact

—

Vector string

CVSS: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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

40.9% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-502 Deserialization of Untrusted Data Validation

References 1

cisa.gov https://www.cisa.gov/news-events/ics-advisories/icsa-25-175-01

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.