---
title: CVE-2011-4181
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-2011-4181
---

# CVE-2011-4181

Publication date 11 June 2018

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**7.5 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2011-4181#impact-score)

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## Description

A vulnerability in open build service allows remote attackers to gain
access to source files even though source access is disabled. Affected
releases are SUSE open build service up to and including version 2.1.15
(for 2.1) and before version 2.3.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| open-build-service | 18.10 cosmic | Not affected |
| 18.04 LTS bionic | Not affected |
| 17.10 artful | Ignored end of life |
| 16.04 LTS xenial | Not in release |
| 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)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

7.5 · High

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.5 · High |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4181)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-4181)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-4181)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2011-4181)

### Other references

* <https://bugzilla.suse.com/show_bug.cgi?id=734003>
* <https://github.com/openSUSE/open-build-service/commit/5281e4bff9df31f1f91e22a0d1e9086b93b23d7e>
* <https://www.cve.org/CVERecord?id=CVE-2011-4181>