---
title: "CVE-2015-4715\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-2015-4715?format=md
keywords: index, follow
---

# CVE-2015-4715

Publication date 17 February 2020

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**4.9 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2015-4715?format=md#impact-score)

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## Description

The fetch function in OAuth/Curl.php in Dropbox-PHP, as used in ownCloud
Server before 6.0.8, 7.x before 7.0.6, and 8.x before 8.0.4 when an
external Dropbox storage has been mounted, allows remote administrators of
Dropbox.com to read arbitrary files via an @ (at sign) character in
unspecified POST values.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| php-dropbox | 19.04 disco | Not in release |
| 18.10 cosmic | Not in release |
| 18.04 LTS bionic | Not in release |
| 17.10 artful | Not in release |
| 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not affected |
| 15.10 wily | Ignored end of life |
| 15.04 vivid | Ignored end of life |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | 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)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

4.9 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 4.9 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4715)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-4715)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-4715)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2015-4715)

### Other references

* <https://owncloud.org/security/advisory/?id=oc-sa-2015-005>
* <https://www.cve.org/CVERecord?id=CVE-2015-4715>