CVE-2013-4769

The cloud controller (aka CLC) component in Eucalyptus 3.3.x and 3.4.x before 3.4.2, when the dns.recursive.enabled setting is used, allows remote attackers to cause a denial of service (traffic amplification) via spoofed DNS queries.

Published: 2014-12-26 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-4769 is rated Low Risk (39.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.16%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2013-4769

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 0.44% 1.16% +0.71%
2 2025-03-30 0.49% 0.44% -0.05%
3 2025-03-29 0.49%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4769

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-2013-4769

OS Trackers for CVE-2013-4769

vendor priority summary link
ubuntu medium CVE-2013-4769 medium priority: Ubuntu including 1 source packages (eucalyptus), 10 status rows across 10 suites (lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 7, ignored 2, needs-triage 1. https://ubuntu.com/security/CVE-2013-4769

Affected software / configurations for CVE-2013-4769

Vendor Product Version Raw CPE
eucalyptus eucalyptus 3.3.0 cpe:2.3:a:eucalyptus:eucalyptus:3.3.0:*:*:*:*:*:*:*
eucalyptus eucalyptus 3.3.1 cpe:2.3:a:eucalyptus:eucalyptus:3.3.1:*:*:*:*:*:*:*
eucalyptus eucalyptus 3.3.2 cpe:2.3:a:eucalyptus:eucalyptus:3.3.2:*:*:*:*:*:*:*
eucalyptus eucalyptus 3.4.0 cpe:2.3:a:eucalyptus:eucalyptus:3.4.0:*:*:*:*:*:*:*
eucalyptus eucalyptus 3.4.1 cpe:2.3:a:eucalyptus:eucalyptus:3.4.1:*:*:*:*:*:*:*

References for CVE-2013-4769

cvelogic Threat Intelligence