GHSA-qrh7-x6fp-c2mp · Severity: medium · Ecosystem: pip — XML Entity Expansion (XEE) in Django
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.
Conclusion & alert: CVE-2013-1664 is rated High Exploit Risk (67.7/100): CVSS Medium severity, with high exploitation likelihood (EPSS 4.86%, 91th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 3.94% | 4.86% | +0.93% |
| 2 | 2026-01-21 | 3.05% | 3.94% | +0.89% |
| 3 | 2025-12-14 | — | 3.05% | — |
Full EPSS history (16 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
GHSA-qrh7-x6fp-c2mp · Severity: medium · Ecosystem: pip — XML Entity Expansion (XEE) in Django
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2013-1664 not yet assigned priority: Debian including 3 source packages (cinder, keystone, nova), 15 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 15. | https://security-tracker.debian.org/tracker/CVE-2013-1664 |
gentoo
|
normal | CVE-2013-1664: 2 GLSA(s) (201311-06, 201412-11), 2 atom(s) (app-emulation/emul-linux-x86-baselibs, dev-libs/libxml2); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-1664 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2013-1664 |
ubuntu
|
medium | CVE-2013-1664 medium priority: Ubuntu including 5 source packages (cinder, keystone, nova, python-django, quantum), 30 status rows across 6 suites (hardy, lucid, oneiric, precise, quantal, upstream): DNE 11, released 11, pending 4, ignored 2, not-affected 2. | https://ubuntu.com/security/CVE-2013-1664 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| openstack | cinder_folsom | — | cpe:2.3:a:openstack:cinder_folsom:-:*:*:*:*:*:*:* |
| openstack | compute_\(nova\)_essex | — | cpe:2.3:a:openstack:compute_\(nova\)_essex:-:*:*:*:*:*:*:* |
| openstack | compute_\(nova\)_folsom | — | cpe:2.3:a:openstack:compute_\(nova\)_folsom:-:*:*:*:*:*:*:* |
| openstack | folsom | — | cpe:2.3:a:openstack:folsom:-:*:*:*:*:*:*:* |
| openstack | grizzly | — | cpe:2.3:a:openstack:grizzly:-:*:*:*:*:*:*:* |
| openstack | keystone_essex | — | cpe:2.3:a:openstack:keystone_essex:-:*:*:*:*:*:*:* |