CVE-2013-4179

Exp

The security group extension in OpenStack Compute (Nova) Grizzly 2013.1.3, Havana before havana-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]

Conclusion & alert: CVE-2013-4179 is rated High Exploit Risk (63.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.70%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.04% over the last day, indicating growing attacker interest. 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.

Public exploit references (Exploit-DB) for CVE-2013-4179

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-4179

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 0.66% 2.70% +2.04%
2 2025-08-28 0.49% 0.66% +0.17%
3 2025-04-03 0.49%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4179

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-2013-4179

GitHub Security Advisory for CVE-2013-4179

GHSA-j6xh-q826-55jw · Severity: medium · Ecosystem: pip — OpenStack Compute (Nova) vulnerable to denial of service via XML Entity Expansion attack

OS Trackers for CVE-2013-4179

vendor priority summary link
debian not yet assigned CVE-2013-4179 not yet assigned priority: Debian including 1 source packages (nova), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-4179
redhat medium https://access.redhat.com/security/cve/CVE-2013-4179
ubuntu medium CVE-2013-4179 medium priority: Ubuntu including 1 source packages (nova), 6 status rows across 6 suites (lucid, precise, quantal, raring, saucy, upstream): not-affected 3, released 2, DNE 1. https://ubuntu.com/security/CVE-2013-4179

Affected software / configurations for CVE-2013-4179

Vendor Product Version Raw CPE
openstack havana <= havana-2 cpe:2.3:a:openstack:havana:*:*:*:*:*:*:*:*
openstack havana havana-1 cpe:2.3:a:openstack:havana:havana-1:*:*:*:*:*:*:*
openstack compute 2013.1.3 cpe:2.3:a:openstack:compute:2013.1.3:*:*:*:*:*:*:*

References for CVE-2013-4179

cvelogic Threat Intelligence