What is CVE-2017-6967?

CVE-2017-6967 is a high-severity vulnerability in Neutrinolabs Xrdp, classified under Improper Authentication. CVSS score: 7.3/10. Published 2017-03-17.

How severe is CVE-2017-6967?

High severity. CVSS v3 base score is 7.3 out of 10.

Auth bypass in Neutrinolabs Xrdp

CVE-2017-6967

xrdp 0.9.1 calls the PAM function auth_start_session() in an incorrect location, leading to PAM session modules not being properly initialized, with a potential consequence of incorrect configurations or elevation of privileges, aka a pam_limits.so bypass.

Vulnerability class: Broken Authentication

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

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.012 (66.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.6% 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

Neutrinolabs Xrdp — versions 0.9.1

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

github.com/neutrinolabs/xrdp/issues/350 (Third Party Advisory)
bugs.launchpad.net/ubuntu/+source/xrdp/+bug/1672742 (Third Party Advisory)
github.com/neutrinolabs/xrdp/pull/694 (Third Party Advisory)

Frequently asked questions

What is CVE-2017-6967?: CVE-2017-6967 is a high-severity vulnerability in Neutrinolabs Xrdp, classified under Improper Authentication. CVSS score: 7.3/10. Published 2017-03-17.
How severe is CVE-2017-6967?: High severity. CVSS v3 base score is 7.3 out of 10.