---
id: CVE-2013-4202
aliases:
  - GHSA-mfg4-9xf4-f45q
  - PYSEC-2026-790
title: 'OpenStack Cinder Denial of Service using XML entities '
summary: 'OpenStack Cinder Denial of Service using XML entities '
severity: medium
vendor: cinder
product: cinder
ecosystem: pip
affected:
  - cinder < 7.0.0a0
patched:
  - cinder 7.0.0a0
published: '2022-05-14'
updated: '2026-07-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-mfg4-9xf4-f45q'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2013-4202'
  - url: 'https://bugs.launchpad.net/ossa/+bug/1190229'
  - url: 'https://github.com/openstack/cinder'
  - url: >-
      http://github.com/openstack/cinder/commit/2023eecc4b1a35daf42a64fa01967ed12c7d017b
  - url: >-
      http://github.com/openstack/cinder/commit/4ad95dba4fccbbc0df923dea0dc9e5c3ac9f4cc2
  - url: 'http://rhn.redhat.com/errata/RHSA-2013-1198.html'
  - url: 'http://www.ubuntu.com/usn/USN-2005-1'
tags:
  - osv
  - pip
epss: 0.02626
epssPercentile: 0.84756
ingestedAt: '2026-07-08T18:25:51.208Z'
---

## Overview

The (1) backup (api/contrib/backups.py) and (2) volume transfer (contrib/volume_transfer.py) APIs in OpenStack Cinder Grizzly 2013.1.3 and earlier allows remote attackers to cause a denial of service (resource consumption and crash) via an XML Entity Expansion (XEE) attack.  NOTE: this issue is due to an incomplete fix for CVE-2013-1664.

## Affected packages

- `cinder < 7.0.0a0`

## Remediation

Upgrade to a patched release:

- `cinder 7.0.0a0`