CVE-2018-13283 | BDVDB-2026-114413 Detail

SynologySSL VPN Client

Description#

Lack of administrator control over security vulnerability in client.cgi in Synology SSL VPN Client before 1.2.5-0226 allows remote attackers to conduct man-in-the-middle attacks via the (1) command, (2) hostname, or (3) port parameter.

Impact#

Per CVSS v3.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-671 Lack of Administrator Control over Security (CWE-671)

References#

https://www.synology.com/security/advisory/Synology_SA_18_30

Exploit#

No public exploit known

History#

Version 12019-04-01Record published in the CVE List.
Version 22024-09-16Most recent update recorded in the CVE List.

Published

Published: 2019-04-01
Last modified: 2024-09-16

Vendor information

Vendor: Synology
Product: SSL VPN Client

All Synology vulnerabilities

Score

8.8 High

EPSS

1.3%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 72.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 1.2.5-0226
Fixed
1.2.5-0226

Scoring System

CVSS v4.0

Not available

CVSS v3.1

Not available

CVSS v3.0

8.8 High

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).