Deserialization in Loftocean Cozystay

CVE-2025-49507

Deserialization of Untrusted Data vulnerability in LoftOcean CozyStay cozystay allows Object Injection.This issue affects CozyStay: from n/a through < 1.7.1.

Vulnerability class: Insecure Deserialization

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (46.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-49507: held from 0.005 to 0.006.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-49507?
CVE-2025-49507 is a critical-severity vulnerability in Loftocean Cozystay, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2025-06-10.
How severe is CVE-2025-49507?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-49507 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.