---
title: "CVE-2017-13082\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-2017-13082?format=md
keywords: index, follow
---

# CVE-2017-13082

Publication date 16 October 2017

Last updated 25 August 2025

---

Ubuntu priority

**High**

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

## Cvss 3 Severity Score

**8.1 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2017-13082?format=md#impact-score)

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## Description

Wi-Fi Protected Access (WPA and WPA2) that supports IEEE 802.11r allows
reinstallation of the Pairwise Transient Key (PTK) Temporal Key (TK) during
the fast BSS transmission (FT) handshake, allowing an attacker within radio
range to replay, decrypt, or spoof frames.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| wpa | 17.04 zesty | Fixed 2.4-0ubuntu9.1 |
| 16.04 LTS xenial | Fixed 2.4-0ubuntu6.2 |
| 14.04 LTS trusty | Fixed 2.1-0ubuntu1.5 |

---

* [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**

8.1 · High

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 8.1 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-13082)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2017-13082)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2017-13082)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2017-13082)

### Related Ubuntu Security Notices (USN)

+ [USN-3455-1](https://usn.ubuntu.com/USN-3455-1)
+ wpa\_supplicant and hostapd vulnerabilities
+ 16 October 2017

### Other references

* <https://www.krackattacks.com/>
* <https://w1.fi/security/2017-1/wpa-packet-number-reuse-with-replayed-messages.txt>
* <https://www.cve.org/CVERecord?id=CVE-2017-13082>