CVE-2025-2566

9.3 criticalEPSS 0.6%

Critical (9.3). EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

9.3 critical

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWE: CWE-502
Published: 2025-06-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

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

Check your stack JSON