How severe is CVE-2017-18414?

CVE-2017-18414 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2017-18414 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18414?

CVE-2017-18414 affects Cpanel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-18414?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-18414 published?

CVE-2017-18414 was published on 2019-08-02 and last updated on 2026-06-17.

CVE-2017-18414

CVE-2017-18414 is a high-severity vulnerability in Cpanel with a CVSS 3.x base score of 7.4. 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-601.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v2: 5.8
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-601
Affected product: Cpanel
Published: 2019-08-02
Last modified: 2026-06-17

Description

cPanel before 67.9999.103 allows an open redirect in /unprotected/redirect.html (SEC-300).

Frequently asked questions

What is CVE-2017-18414?: cPanel before 67.9999.103 allows an open redirect in /unprotected/redirect.html (SEC-300).
How severe is CVE-2017-18414?: CVE-2017-18414 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2017-18414 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18414?: CVE-2017-18414 affects Cpanel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-18414?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-18414 published?: CVE-2017-18414 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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