---
title: "CVE-2020-0347\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-2020-0347?format=md
keywords: index, follow
---

# CVE-2020-0347

Publication date 18 September 2020

Last updated 25 August 2025

---

Ubuntu priority

**Low**

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

## Cvss 3 Severity Score

**6.7 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2020-0347?format=md#impact-score)

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## Description

In iptables, there is a possible out of bounds write due to an incorrect
bounds check. This could lead to local escalation of privilege with System
execution privileges needed. User interaction is not needed for
exploitation.Product: AndroidVersions: Android-11Android ID: A-136658008

[Read the notes from the security team](https://ubuntu.com/security/CVE-2020-0347?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| iptables | 24.04 LTS noble | Not affected |
| 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 | Not affected |
| 21.10 impish | Ignored end of life |
| 21.04 hirsute | Ignored end of life |
| 20.10 groovy | Ignored end of life |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not affected |

---

* [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

---

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

fix released as part of Android 11

---

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

likely android-specific, marking as not-affected

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

6.7 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 6.7 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-0347)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2020-0347)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2020-0347)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2020-0347)

### Other references

* <https://source.android.com/security/bulletin/android-11>
* <https://www.cve.org/CVERecord?id=CVE-2020-0347>