---
title: "CVE-2017-11191\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2017-11191?format=md
keywords: index, follow
---

# CVE-2017-11191

Publication date 28 September 2017

Last updated 4 August 2025

---

Ubuntu priority

**Low**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**8.8 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2017-11191?format=md#impact-score)

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## Description

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

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| freeipa | 24.04 LTS noble | Not affected |
| 23.10 mantic | Ignored end of life, was needed |
| 23.04 lunar | Ignored end of life, was needed |
| 22.10 kinetic | Ignored end of life, was needed |
| 22.04 LTS jammy | Not affected |
| 21.10 impish | Ignored end of life |
| 21.04 hirsute | Ignored end of life |
| 20.10 groovy | Ignored end of life |
| 20.04 LTS focal | Not affected |
| 19.10 eoan | Ignored end of life |
| 19.04 disco | Ignored end of life |
| 18.10 cosmic | Ignored end of life |
| 18.04 LTS bionic | Not affected |
| 17.10 artful | Ignored end of life |
| 17.04 zesty | Ignored end of life |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not affected |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

8.8 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | Low |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | High |
  | Integrity impact | High |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 8.8 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11191)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2017-11191)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2017-11191)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2017-11191)

### Other references

* <http://packetstormsecurity.com/files/143532/FreeIPA-2.213-Session-Hijacking.html>
* <https://www.cve.org/CVERecord?id=CVE-2017-11191>