What is CVE-2024-10442?

CVE-2024-10442 is a critical-severity vulnerability in Synology Replication Service, classified under Off-by-one Error. CVSS score: 10.0/10. Published 2025-03-19.

How severe is CVE-2024-10442?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Is CVE-2024-10442 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Synology Replication Service

CVE-2024-10442

Off-by-one error vulnerability in the transmission component in Synology Replication Service before 1.0.12-0066, 1.2.2-0353 and 1.3.0-0423 and Synology Unified Controller (DSMUC) before 3.1.4-23079 allows remote attackers to execute arbitr…

EPSS: 0.146 (94.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Synology Replication Service
Synology Unified Controller (Dsmuc) — versions 3.1, 0

Weakness classification (CWE)

CWE-193 — Off-by-one Error

Public proof-of-concept exploits

References

Synology-SA-24:22 Replication Service (PWN2OWN 2024) (vendor-advisory)

Frequently asked questions

What is CVE-2024-10442?: CVE-2024-10442 is a critical-severity vulnerability in Synology Replication Service, classified under Off-by-one Error. CVSS score: 10.0/10. Published 2025-03-19.
How severe is CVE-2024-10442?: Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2024-10442 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.