How severe is CVE-2007-6503?

CVE-2007-6503 has a CVSS 2.0 base score of 5.5, rated medium severity.

Is CVE-2007-6503 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-6503?

CVE-2007-6503 affects Hosting Controller. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-6503?

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

When was CVE-2007-6503 published?

CVE-2007-6503 was published on 2007-12-20 and last updated on 2026-06-16.

CVE-2007-6503

CVE-2007-6503 is a medium-severity vulnerability in Hosting Controller with a CVSS 2.0 base score of 5.5. 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 5.5)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Hosting Controller
Published: 2007-12-20
Last modified: 2026-06-16

Description

Multiple unspecified vulnerabilities in Hosting Controller 6.1 Hot fix 3.3 and earlier allow remote authenticated users to (1) import an arbitrary plan via a request to hosting/importhostingplans.asp; or (2) change an arbitrary plan via a request to hosting/AutoSignUpPlans.asp with the (a) save, (b) 30, and (c) d_30 parameters.

Frequently asked questions

What is CVE-2007-6503?: Multiple unspecified vulnerabilities in Hosting Controller 6.1 Hot fix 3.3 and earlier allow remote authenticated users to (1) import an arbitrary plan via a request to hosting/importhostingplans.asp; or (2) change an arbitrary plan via a request to hosting/AutoSignUpPlans.asp with the (a) save, (b) 30, and (c) d_30 parameters.
How severe is CVE-2007-6503?: CVE-2007-6503 has a CVSS 2.0 base score of 5.5, rated medium severity.
Is CVE-2007-6503 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-6503?: CVE-2007-6503 affects Hosting Controller. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-6503?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-6503 published?: CVE-2007-6503 was published on 2007-12-20 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:hosting_controller:hosting_controller:*:*:*:*:*:*:*:*

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