What is CVE-2015-4085?

CVE-2015-4085 is a high-severity vulnerability in Etherpad, classified under Path Traversal. CVSS score: 7.5/10. Published 2017-09-07.

How severe is CVE-2015-4085?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Etherpad

CVE-2015-4085

Directory traversal vulnerability in node/hooks/express/tests.js in Etherpad frontend tests before 1.6.1.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2017-09-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.023 (82.9th percentile), scored 2026-10-08.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Etherpad

Weakness classification (CWE)

CWE-22 — Path Traversal

References

www.openwall.com/lists/oss-security/2015/05/26/3 (mailing-list, Mailing List, Third Party Advisory)
github.com/ether/etherpad-lite/commit/5409eb314c4e072b9760b8d30b985fa0bb96a006 (Third Party Advisory)

Frequently asked questions

What is CVE-2015-4085?: CVE-2015-4085 is a high-severity vulnerability in Etherpad, classified under Path Traversal. CVSS score: 7.5/10. Published 2017-09-07.
How severe is CVE-2015-4085?: High severity. CVSS v3 base score is 7.5 out of 10.