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

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CRITICAL

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

Published Dec 24, 2018

9.8

CRITICAL

CVSS 3.0

EPSS 1.44%

Description

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.

Affected products

Vendor Synology Product DiskStation Manager (DSM) Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <6.1.6-15266

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Synology

DiskStation Manager (DSM)

n/a

Version	Status	Constraints
unspecified	affected	<6.1.6-15266

Remediation

No remediation recorded yet.

Metrics

1.44% 0.01443

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01443

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.44% (0.01443)	72.28th	v5 (v2026.06.15)
Sep 20, 2026	1.44% (0.01443)	72.06th	v5 (v2026.06.15)
Jul 20, 2024	0.14% (0.00137)	49.67th	v3 (v2023.03.01)
Sep 3, 2023	0.14% (0.00137)	48.39th	v3 (v2023.03.01)
Mar 7, 2023	0.10% (0.00096)	38.71th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)
Feb 3, 2022	0.52% (0.00523)	12.55th	v5 (v2026.06.15)
Apr 14, 2021	0.52% (0.00523)	0.00th	v1