How severe is CVE-2018-19946?

CVE-2018-19946 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-19946 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19946?

CVE-2018-19946 affects Qnap Helpdesk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19946?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-19946 published?

CVE-2018-19946 was published on 2020-09-11 and last updated on 2026-06-17.

CVE-2018-19946

CVE-2018-19946 is a medium-severity vulnerability in Qnap Helpdesk with a CVSS 3.x base score of 4.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: Medium (CVSS 3.x base score 4.2)
CVSS v2: 4.3
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Qnap Helpdesk
Published: 2020-09-11
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2018-19946?: 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.
How severe is CVE-2018-19946?: CVE-2018-19946 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-19946 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19946?: CVE-2018-19946 affects Qnap Helpdesk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19946?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-19946 published?: CVE-2018-19946 was published on 2020-09-11 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:qnap:helpdesk:*:*:*:*:*:*:*:*

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