CVE-2013-6398

The virtual router in Apache CloudStack before 4.2.1 does not preserve the source restrictions in firewall rules after being restarted, which allows remote attackers to bypass intended restrictions via a request.

Published: 2014-01-15 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-6398 is rated Moderate Risk (44.8/100): CVSS Low severity, with medium exploitation likelihood (EPSS 3.67%). EPSS rose +2.69% 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-2013-6398

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 0.99% 3.67% +2.69%
2 2025-03-30 1.18% 0.99% -0.19%
3 2025-03-29 — 1.18% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-6398

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.8 2.0 LOW
AV:N/AC:M/Au:M/C:P/I:N/A:N 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:M)
Multiple authentications are required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 5.5 2.9 [email protected]

Weakness enumeration for CVE-2013-6398

Affected software / configurations for CVE-2013-6398

Vendor Product Version Raw CPE
apache cloudstack <= 4.2.0 cpe:2.3:a:apache:cloudstack:*:*:*:*:*:*:*:*
apache cloudstack 2.0 cpe:2.3:a:apache:cloudstack:2.0:-:community:*:*:*:*:*
apache cloudstack 2.0.1 cpe:2.3:a:apache:cloudstack:2.0.1:*:*:*:*:*:*:*
apache cloudstack 2.1.0 cpe:2.3:a:apache:cloudstack:2.1.0:*:*:*:*:*:*:*
apache cloudstack 2.1.1 cpe:2.3:a:apache:cloudstack:2.1.1:*:*:*:*:*:*:*
apache cloudstack 2.1.2 cpe:2.3:a:apache:cloudstack:2.1.2:*:*:*:*:*:*:*
apache cloudstack 2.1.3 cpe:2.3:a:apache:cloudstack:2.1.3:*:*:*:*:*:*:*
apache cloudstack 2.1.4 cpe:2.3:a:apache:cloudstack:2.1.4:*:*:*:*:*:*:*
apache cloudstack 2.1.5 cpe:2.3:a:apache:cloudstack:2.1.5:*:*:*:*:*:*:*
apache cloudstack 2.1.6 cpe:2.3:a:apache:cloudstack:2.1.6:*:*:*:*:*:*:*
apache cloudstack 2.1.7 cpe:2.3:a:apache:cloudstack:2.1.7:*:*:*:*:*:*:*
apache cloudstack 2.1.8 cpe:2.3:a:apache:cloudstack:2.1.8:*:*:*:*:*:*:*
apache cloudstack 2.1.9 cpe:2.3:a:apache:cloudstack:2.1.9:*:*:*:*:*:*:*
apache cloudstack 2.1.10 cpe:2.3:a:apache:cloudstack:2.1.10:*:*:*:*:*:*:*
apache cloudstack 2.2.0 cpe:2.3:a:apache:cloudstack:2.2.0:*:*:*:*:*:*:*
apache cloudstack 2.2.1 cpe:2.3:a:apache:cloudstack:2.2.1:*:*:*:*:*:*:*
apache cloudstack 2.2.2 cpe:2.3:a:apache:cloudstack:2.2.2:*:*:*:*:*:*:*
apache cloudstack 2.2.3 cpe:2.3:a:apache:cloudstack:2.2.3:*:*:*:*:*:*:*
apache cloudstack 2.2.5 cpe:2.3:a:apache:cloudstack:2.2.5:*:*:*:*:*:*:*
apache cloudstack 2.2.6 cpe:2.3:a:apache:cloudstack:2.2.6:*:*:*:*:*:*:*
apache cloudstack 2.2.7 cpe:2.3:a:apache:cloudstack:2.2.7:*:*:*:*:*:*:*
apache cloudstack 2.2.8 cpe:2.3:a:apache:cloudstack:2.2.8:*:*:*:*:*:*:*
apache cloudstack 2.2.9 cpe:2.3:a:apache:cloudstack:2.2.9:*:*:*:*:*:*:*
apache cloudstack 2.2.11 cpe:2.3:a:apache:cloudstack:2.2.11:*:*:*:*:*:*:*
apache cloudstack 2.2.12 cpe:2.3:a:apache:cloudstack:2.2.12:*:*:*:*:*:*:*
apache cloudstack 2.2.13 cpe:2.3:a:apache:cloudstack:2.2.13:*:*:*:*:*:*:*
apache cloudstack 2.2.14 cpe:2.3:a:apache:cloudstack:2.2.14:*:*:*:*:*:*:*
apache cloudstack 3.0.0 cpe:2.3:a:apache:cloudstack:3.0.0:*:*:*:*:*:*:*
apache cloudstack 3.0.1 cpe:2.3:a:apache:cloudstack:3.0.1:*:*:*:*:*:*:*
apache cloudstack 3.0.2 cpe:2.3:a:apache:cloudstack:3.0.2:*:*:*:*:*:*:*
apache cloudstack 4.0.0 cpe:2.3:a:apache:cloudstack:4.0.0:incubating:*:*:*:*:*:*
apache cloudstack 4.0.1 cpe:2.3:a:apache:cloudstack:4.0.1:*:*:*:*:*:*:*
apache cloudstack 4.0.2 cpe:2.3:a:apache:cloudstack:4.0.2:*:*:*:*:*:*:*
apache cloudstack 4.1.0 cpe:2.3:a:apache:cloudstack:4.1.0:*:*:*:*:*:*:*
apache cloudstack 4.1.1 cpe:2.3:a:apache:cloudstack:4.1.1:*:*:*:*:*:*:*

References for CVE-2013-6398

cvelogic Threat Intelligence