What is CVE-2017-6504?

CVE-2017-6504 is a medium-severity vulnerability in Qbittorrent, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2017-03-06.

How severe is CVE-2017-6504?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Improper input validation in Qbittorrent

CVE-2017-6504

WebUI in qBittorrent before 3.3.11 did not set the X-Frame-Options header, which could potentially lead to clickjacking.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2017-03-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.5th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Qbittorrent

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

github.com/qbittorrent/qBittorrent/commit/f5ad04766f4abaa78374ff03704316f8ce046… (Patch)
www.qbittorrent.org/news.php (Patch, Release Notes)

Frequently asked questions

What is CVE-2017-6504?: CVE-2017-6504 is a medium-severity vulnerability in Qbittorrent, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2017-03-06.
How severe is CVE-2017-6504?: Medium severity. CVSS v3 base score is 6.1 out of 10.