---
title: "CVE-2019-25338\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-2019-25338?format=md
keywords: index, follow
---

# CVE-2019-25338

Publication date 12 February 2026

Last updated 10 July 2026

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**5.3 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2019-25338?format=md#impact-score)

Toggle side navigation

## Description

DokuWiki 2018-04-22b contains a username enumeration vulnerability in its
password reset functionality that allows attackers to identify valid user
accounts. Attackers can submit different usernames to the password reset
endpoint and distinguish between existing and non-existing accounts by
analyzing the server's error response messages.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| dokuwiki | 26.04 LTS resolute | Needs evaluation |
| 25.10 questing | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Needs evaluation |
| 18.04 LTS bionic | Needs evaluation |
| 16.04 LTS xenial | Needs evaluation |

---

* [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 v4.0

[CVSS v4.0](https://ubuntu.com/security/CVE-2019-25338?format=md)
[CVSS v3.0](https://ubuntu.com/security/CVE-2019-25338?format=md)

**Base score**

6.9 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Attack requirements | None |
  | Privileges required | None |
  | User interaction | None |
  | Vulnerable system - Confidentiality impact | Low |
  | Vulnerable system - Integrity impact | None |
  | Vulnerable system - Availability impact | None |
  | Subsequent system - Confidentiality impact | None |
  | Subsequent system - Integrity impact | None |
  | Subsequent system - Availability impact | None |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 6.9 · Medium |
  | Base + Threat score | - |
  | Base + Environmental score | - |
  | Base + Threat + Environmental score | - |

**Vector:** CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25338)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-25338)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-25338)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2019-25338)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2019-25338>
* <https://download.dokuwiki.org/>
* <https://www.dokuwiki.org/dokuwiki>
* <https://www.exploit-db.com/exploits/47731>
* <https://www.vulncheck.com/advisories/dokuwiki-b-username-enumeration>