CVE-2013-1664
The XML libraries for Python 3.4, 3.3, 3.2, 3.1, 2.7, and 2.6, as used in OpenStack Keystone Essex, Folsom, and Grizzly; Compute (Nova)…
- 5.0MediumCVSS base score
- 4.8%Exploitation in 30 daysEPSS · top 8.0% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The XML libraries for Python 3.4, 3.3, 3.2, 3.1, 2.7, and 2.6, as used in OpenStack Keystone Essex, Folsom, and Grizzly; Compute (Nova) Essex and Folsom; Cinder Folsom; Django; and possibly other products allow remote attackers to cause a denial of service (resource consumption and crash) via an XML Entity Expansion (XEE) attack.
Timeline
ID reserved
By mitre
- 49 days later
· 49 days later
Published
- 11 years later
· 11 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 4.8% · top 8.0% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIDjangoGHSA-qrh7-x6fp-c2mp (opens in a new tab)
References
10
- [oss-security] 20130219 REJECT CVE-2013-0278, CVE-2013-0279 and CVE-2013-0280 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [openstack-announce] 20130219 [OSSA 2013-004] Information leak and Denial of Service using XML entities (CVE-2013-1664, CVE-2013-1665) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2013:0658 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [oss-security] 20130219 [OSSA 2013-004] Information leak and Denial of Service using XML entities (CVE-2013-1664, CVE-2013-1665) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-1757-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2013:0657 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://bugs.launchpad.net/nova/+bug/1100282 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://blog.python.org/2013/02/announcing-defusedxml-fixes-for-xml.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2013:0670 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://bugs.python.org/issue17239 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-5025 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-qrh7-x6fp-c2mp (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2013-1664)Record last updated .