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CVE-2013-6398

14
FAUCET Score

CVE-2013-6398 describes a vulnerability in Apache CloudStack versions prior to 4.2.1, where the virtual router fails to maintain firewall rule source restrictions after a restart. This oversight allows authenticated remote attackers to bypass intended network access controls. With a low CVSS score of 2.8, the vulnerability requires medium attack complexity and authentication, primarily impacting confidentiality by allowing unauthorized access to resources. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.2.0CPE matchmatch criteria
cpe:2.3:a:apache:cloudstack:*:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:apache:cloudstack:2.0:-:community:*:*:*:*:*
2.0.1CPE matchmatch criteria
cpe:2.3:a:apache:cloudstack:2.0.1:*:*:*:*:*:*:*
2.1.0CPE matchmatch criteria
cpe:2.3:a:apache:cloudstack:2.1.0:*:*:*:*:*:*:*
2.1.1CPE matchmatch criteria
cpe:2.3:a:apache:cloudstack:2.1.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.8LOW

AV:N/AC:M/Au:M/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
MULTIPLE
Exploitability Score
5.5
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.67%
Probability of exploitation in next 30 days
EPSS Percentile
88.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0367 is in the 96th percentile among its peer group of 95 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

blogs.apache.org / cloudstack/entry/cve_2013_6398_cloudstack_virtual
Vendor Advisory
secunia.com / advisories/55960
Vendor Advisory
secunia.com / advisories/60284
issues.apache.org / jira/browse/CLOUDSTACK-5263
support.citrix.com / article/CTX140989
securityfocus.com / bid/69432
securitytracker.com / id/1030762