What is CVE-2017-7569?

CVE-2017-7569 is a high-severity vulnerability in Vbulletin, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.6/10. Published 2017-04-06.

How severe is CVE-2017-7569?

High severity. CVSS v3 base score is 8.6 out of 10.

SSRF in Vbulletin

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2017-04-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Vbulletin

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

www.vbulletin.com/forum/forum/vbulletin-announcements/vbulletin-announcements_a… (Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2017-7569?: CVE-2017-7569 is a high-severity vulnerability in Vbulletin, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.6/10. Published 2017-04-06.
How severe is CVE-2017-7569?: High severity. CVSS v3 base score is 8.6 out of 10.