How severe is CVE-2016-6483?

CVE-2016-6483 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2016-6483 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6483?

CVE-2016-6483 primarily affects Vbulletin. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-6483?

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-2016-6483 published?

CVE-2016-6483 was published on 2016-09-02 and last updated on 2026-06-17.

CVE-2016-6483

CVE-2016-6483 is a high-severity vulnerability in Vbulletin with a CVSS 3.x base score of 8.6. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-918.

Key facts

Severity: High (CVSS 3.x base score 8.6)
CVSS v2: 5.0
EPSS exploit prediction: 12% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Vbulletin
Published: 2016-09-02
Last modified: 2026-06-17

Description

The media-file upload feature in vBulletin before 3.8.7 Patch Level 6, 3.8.8 before Patch Level 2, 3.8.9 before Patch Level 1, 4.x before 4.2.2 Patch Level 6, 4.2.3 before Patch Level 2, 5.x before 5.2.0 Patch Level 3, 5.2.1 before Patch Level 1, and 5.2.2 before Patch Level 1 allows remote attackers to conduct SSRF attacks via a crafted URL that results in a Redirection HTTP status code.

Frequently asked questions

What is CVE-2016-6483?: The media-file upload feature in vBulletin before 3.8.7 Patch Level 6, 3.8.8 before Patch Level 2, 3.8.9 before Patch Level 1, 4.x before 4.2.2 Patch Level 6, 4.2.3 before Patch Level 2, 5.x before 5.2.0 Patch Level 3, 5.2.1 before Patch Level 1, and 5.2.2 before Patch Level 1 allows remote attackers to conduct SSRF attacks via a crafted URL that results in a Redirection HTTP status code.
How severe is CVE-2016-6483?: CVE-2016-6483 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2016-6483 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-6483?: CVE-2016-6483 primarily affects Vbulletin. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-6483?: 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-2016-6483 published?: CVE-2016-6483 was published on 2016-09-02 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:vbulletin:vbulletin:3.8.7:*:*:*:*:*:*:*
cpe:2.3:a:vbulletin:vbulletin:3.8.8:*:*:*:*:*:*:*
cpe:2.3:a:vbulletin:vbulletin:3.8.9:*:*:*:*:*:*:*
cpe:2.3:a:vbulletin:vbulletin:4.2.2:*:*:*:*:*:*:*
cpe:2.3:a:vbulletin:vbulletin:4.2.3:*:*:*:*:*:*:*
cpe:2.3:a:vbulletin:vbulletin:5.2.0:*:*:*:*:*:*:*
cpe:2.3:a:vbulletin:vbulletin:5.2.1:*:*:*:*:*:*:*
cpe:2.3:a:vbulletin:vbulletin:5.2.2:*:*:*:*:*:*:*

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