---
title: "CVE-2021-31291\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-2021-31291?format=md
keywords: index, follow
---

# CVE-2021-31291

Publication date 26 July 2021

Last updated 4 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**8.1 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2021-31291?format=md#impact-score)

Toggle side navigation

## Description

Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs:
CVE-2021-29457. Reason: This candidate is a duplicate of CVE-2021-29457.
Notes: All CVE users should reference CVE-2021-29457 instead of this
candidate. All references and descriptions in this candidate have been
removed to prevent accidental usage

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| exiv2 | 21.04 hirsute | Fixed 0.27.3-3ubuntu1.4 |
| 20.04 LTS focal | Fixed 0.27.2-8ubuntu2.5 |
| 18.04 LTS bionic | Fixed 0.25-3.1ubuntu0.18.04.10 |
| 16.04 LTS xenial | Fixed 0.25-2.1ubuntu16.04.7+esm3  Ubuntu Pro |
| 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)

### Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

[Get Ubuntu Pro](https://ubuntu.com/pro)
[30-day free trial](https://ubuntu.com/pro/free-trial)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

8.1 · High

* Base metrics

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

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

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31291)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2021-31291)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2021-31291)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2021-31291)

### Related Ubuntu Security Notices (USN)

+ [USN-5028-1](https://usn.ubuntu.com/USN-5028-1)
+ Exiv2 vulnerability
+ 2 August 2021

### Other references

* <https://github.com/Exiv2/exiv2/issues/1529>
* <https://github.com/Exiv2/exiv2/pull/1534/commits/13e5a3e02339b746abcaee6408893ca2fd8e289d>
* <https://www.cve.org/CVERecord?id=CVE-2021-31291>