---
title: "CVE-2022-2393\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-2022-2393?format=md
keywords: index, follow
---

# CVE-2022-2393

Publication date 14 July 2022

Last updated 26 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**5.7 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2022-2393?format=md#impact-score)

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## Description

A flaw was found in pki-core, which could allow a user to get a certificate
for another user identity when directory-based authentication is enabled.
This flaw allows an authenticated attacker on the adjacent network to
impersonate another user within the scope of the domain, but they would not
be able to decrypt message content.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2022-2393?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| dogtag-pki | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.10 oracular | Not in release |
| 24.04 LTS noble | Not in release |
| 23.10 mantic | Ignored end of life, was needs-triage |
| 23.04 lunar | Ignored end of life, was needs-triage |
| 22.10 kinetic | Ignored end of life, was needs-triage |
| 22.04 LTS jammy | Needs evaluation |
| 21.10 impish | Ignored end of life |
| 20.04 LTS focal | Needs evaluation |
| 18.04 LTS bionic | Needs evaluation |
| 16.04 LTS xenial | Needs evaluation |
| 14.04 LTS trusty | Not in release |

---

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

## Notes

---

### [gianz](https://launchpad.net/~gianz)

As of today (2024-06-27) no fix has been published.

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

5.7 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 5.7 · Medium |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2393)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2022-2393)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2022-2393)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2022-2393)

### Other references

* <https://bugzilla.redhat.com/show_bug.cgi?id=2101046>
* <https://www.cve.org/CVERecord?id=CVE-2022-2393>