CVE-2018-19946

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-09-11 · updated 2026-06-17
Weakness: CWE-295

Description

The vulnerability have been reported to affect earlier versions of Helpdesk. If exploited, this improper certificate validation vulnerability could allow an attacker to spoof a trusted entity by interfering in the communication path between the host and client. QNAP has already fixed the issue in Helpdesk 3.0.3 and later.

Affected products

QNAP Systems Inc. Helpdesk: before 3.0.3 — fixed in 3.0.3

How to fix

Upgrade to a fixed version: QNAP Systems Inc. Helpdesk 3.0.3. Check the vendor advisory for mitigations.

References

https://www.qnap.com/zh-tw/security-advisory/qsa-20-05
https://www.qnap.com/zh-tw/security-advisory/qsa-20-05

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