What is CVE-2017-11191?

CVE-2017-11191 is a high-severity vulnerability in Freeipa, classified under Session Fixation. CVSS score: 8.8/10. Published 2017-09-28.

How severe is CVE-2017-11191?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Freeipa

CVE-2017-11191

FreeIPA 4.x with API version 2.213 allows a remote authenticated users to bypass intended account-locking restrictions via an unlock action with an old session ID (for the same user account) that had been created for an earlier session. NOTE: Vendor states that issue does not exist in product and does not recognize this report as a valid security concern

Published 2017-09-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.017 (76.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Freeipa — versions 4.0.0, 4.0.1, 4.0.2

Weakness classification (CWE)

CWE-384 — Session Fixation

References

packetstormsecurity.com/files/143532/FreeIPA-2.213-Session-Hijacking.html (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2017-11191?: CVE-2017-11191 is a high-severity vulnerability in Freeipa, classified under Session Fixation. CVSS score: 8.8/10. Published 2017-09-28.
How severe is CVE-2017-11191?: High severity. CVSS v3 base score is 8.8 out of 10.