CVE-2013-4202

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.

Published: 2013-09-16 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-4202 is rated Moderate Risk (48.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.60%). EPSS rose +1.76% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-4202

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 0.84% 2.60% +1.76%
2 2025-08-28 0.71% 0.84% +0.13%
3 2025-05-30 — 0.71% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4202

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2013-4202

GitHub Security Advisory for CVE-2013-4202

GHSA-mfg4-9xf4-f45q · Severity: medium · Ecosystem: pip — OpenStack Cinder Denial of Service using XML entities

OS Trackers for CVE-2013-4202

vendor priority summary link
debian not yet assigned CVE-2013-4202 not yet assigned priority: Debian including 1 source packages (cinder), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-4202
redhat medium — https://access.redhat.com/security/cve/CVE-2013-4202
ubuntu medium CVE-2013-4202 medium priority: Ubuntu including 1 source packages (cinder), 6 status rows across 6 suites (lucid, precise, quantal, raring, saucy, upstream): DNE 2, not-affected 2, released 2. https://ubuntu.com/security/CVE-2013-4202

Affected software / configurations for CVE-2013-4202

Vendor Product Version Raw CPE
openstack cinder >= 2013.1, <= 2013.1.3 cpe:2.3:a:openstack:cinder:*:*:*:*:*:*:*:*
canonical ubuntu_linux 13.04 cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:*

References for CVE-2013-4202

cvelogic Threat Intelligence