How severe is CVE-2017-7569?

CVE-2017-7569 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-2017-7569 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7569?

CVE-2017-7569 affects Vbulletin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-7569?

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-2017-7569 published?

CVE-2017-7569 was published on 2017-04-06 and last updated on 2026-06-17.

CVE-2017-7569

CVE-2017-7569 is a high-severity vulnerability in Vbulletin with a CVSS 3.x base score of 8.6. 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-918.

Key facts

Severity: High (CVSS 3.x base score 8.6)
CVSS v2: 5.0
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Vbulletin
Published: 2017-04-06
Last modified: 2026-06-17

Description

In vBulletin before 5.3.0, remote attackers can bypass the CVE-2016-6483 patch and conduct SSRF attacks by leveraging the behavior of the PHP parse_url function, aka VBV-17037.

Frequently asked questions

What is CVE-2017-7569?: In vBulletin before 5.3.0, remote attackers can bypass the CVE-2016-6483 patch and conduct SSRF attacks by leveraging the behavior of the PHP parse_url function, aka VBV-17037.
How severe is CVE-2017-7569?: CVE-2017-7569 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-2017-7569 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7569?: CVE-2017-7569 affects Vbulletin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-7569?: 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-2017-7569 published?: CVE-2017-7569 was published on 2017-04-06 and last updated on 2026-06-17.

References

https://www.vbulletin.com/forum/forum/vbulletin-announcements/vbulletin-announcements_aa/4367744-vbulletin-5-3-0-connect-is-now-available

Affected products (1)

cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:*

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