What is CVE-2018-8919?

CVE-2018-8919 is a high-severity vulnerability in Synology Diskstation Manager, classified under Information Disclosure. CVSS score: 8.3/10. Published 2018-12-24.

How severe is CVE-2018-8919?

High severity. CVSS v3 base score is 8.3 out of 10.

Information disclosure in Synology Diskstation Manager

CVE-2018-8919

Information exposure vulnerability in SYNO.Core.Desktop.SessionData in Synology DiskStation Manager (DSM) before 6.1.6-15266 allows remote attackers to steal credentials via unspecified vectors.

Vulnerability class: Information Disclosure

Published 2018-12-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (72.8th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Synology Diskstation Manager
Synology Diskstation Manager (Dsm) — versions unspecified

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.synology.com/security/advisory/Synology_SA_18_14 (Vendor Advisory)

Frequently asked questions

What is CVE-2018-8919?: CVE-2018-8919 is a high-severity vulnerability in Synology Diskstation Manager, classified under Information Disclosure. CVSS score: 8.3/10. Published 2018-12-24.
How severe is CVE-2018-8919?: High severity. CVSS v3 base score is 8.3 out of 10.