CVE-2013-1664

mediumpriority · track · 22EPSS 0.048 · 92 %ileEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
4.77% (92nd) EPSS
CVSS 5 · medium
Is it mine?
9 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

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.

01

cvss

Technical severity, 0–10. One row per scoring source.

5.0
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9
v2.04.3mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

03

affected products (9)

Products and version ranges known to be affected.

04

advisories (2)

Vendor and ecosystem advisories describing this.

  • GHSA-qrh7-x6fp-c2mpXML Entity Expansion (XEE) in Django2022-05-17ghsa · osvUS

    The XML libraries for Python, 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.

  • PYSEC-2026-801XML Entity Expansion (XEE) in Django2026-07-06vendor · osvUS

    The XML libraries for Python, 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.

05

also known as (6)

Other names and identifiers for this entity.

06

sources

Which sources assert this record, and when.

published 2013-04-03modified 2026-06-16
08

references (30)

External citations — patches, advisories, analysis.

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