How severe is CVE-2017-6513?

CVE-2017-6513 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-6513 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-6513?

CVE-2017-6513 affects Softaculous Whmcs Reseller Module. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-6513?

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

When was CVE-2017-6513 published?

CVE-2017-6513 was published on 2017-03-11 and last updated on 2026-06-17.

CVE-2017-6513

CVE-2017-6513 is a critical-severity vulnerability in Softaculous Whmcs Reseller Module with a CVSS 3.x base score of 9.9. 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-275.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
CVSS v2: 6.5
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-275
Affected product: Softaculous Whmcs Reseller Module
Published: 2017-03-11
Last modified: 2026-06-17

Description

The WHMCS Reseller Module V2 2.0.2 in Softaculous Virtualizor before 2.9.1.0 does not verify the user correctly, which allows remote authenticated users to control other virtual machines managed by Virtualizor by accessing a modified URL.

Frequently asked questions

What is CVE-2017-6513?: The WHMCS Reseller Module V2 2.0.2 in Softaculous Virtualizor before 2.9.1.0 does not verify the user correctly, which allows remote authenticated users to control other virtual machines managed by Virtualizor by accessing a modified URL.
How severe is CVE-2017-6513?: CVE-2017-6513 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-6513 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6513?: CVE-2017-6513 affects Softaculous Whmcs Reseller Module. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-6513?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-6513 published?: CVE-2017-6513 was published on 2017-03-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:softaculous:whmcs_reseller_module:2.0.2:*:*:*:*:*:*:*

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