How severe is CVE-2017-18407?

CVE-2017-18407 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-18407 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18407?

CVE-2017-18407 affects Cpanel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-18407?

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

When was CVE-2017-18407 published?

CVE-2017-18407 was published on 2019-08-02 and last updated on 2026-06-17.

CVE-2017-18407

CVE-2017-18407 is a medium-severity vulnerability in Cpanel with a CVSS 3.x base score of 4.8. 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-347.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 5.8
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-347
Affected product: Cpanel
Published: 2019-08-02
Last modified: 2026-06-17

Description

cPanel before 67.9999.103 does not enforce SSL hostname verification for the support-agreement download (SEC-279).

Frequently asked questions

What is CVE-2017-18407?: cPanel before 67.9999.103 does not enforce SSL hostname verification for the support-agreement download (SEC-279).
How severe is CVE-2017-18407?: CVE-2017-18407 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-18407 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18407?: CVE-2017-18407 affects Cpanel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-18407?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-18407 published?: CVE-2017-18407 was published on 2019-08-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*

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