---
title: "CVE-2013-4221\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-2013-4221?format=md
keywords: index, follow
---

# CVE-2013-4221

Publication date 10 October 2013

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

Toggle side navigation

## Description

The default configuration of the ObjectRepresentation class in Restlet
before 2.1.4 deserializes objects from untrusted sources using the Java
XMLDecoder, which allows remote attackers to execute arbitrary Java code
via crafted XML.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| restlet | 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 | Not in release |
| 23.04 lunar | Not in release |
| 22.10 kinetic | Not in release |
| 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 21.04 hirsute | Not in release |
| 20.10 groovy | Not in release |
| 20.04 LTS focal | Not in release |
| 19.10 eoan | Not in release |
| 19.04 disco | Not in release |
| 18.10 cosmic | Ignored end of life |
| 18.04 LTS bionic | Vulnerable |
| 17.10 artful | Ignored end of life |
| 17.04 zesty | Ignored end of life |
| 16.10 yakkety | Ignored end of life |
| 16.04 LTS xenial | Vulnerable |
| 15.10 wily | Ignored end of life |
| 15.04 vivid | Ignored end of life |
| 14.10 utopic | Ignored end of life |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Ignored end of life |
| 13.04 raring | Ignored end of life |
| 12.10 quantal | Ignored end of life |
| 12.04 LTS precise | Not in release |
| 10.04 LTS lucid | 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)

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4221)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2013-4221)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2013-4221)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2013-4221)

### Other references

* <http://blog.diniscruz.com/2013/08/using-xmldecoder-to-execute-server-side.html>
* <https://github.com/o2platform/DefCon_RESTing>
* <https://www.cve.org/CVERecord?id=CVE-2013-4221>