How severe is CVE-2013-2756?

CVE-2013-2756 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-2756 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-2756?

CVE-2013-2756 primarily affects Apache Cloudstack. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-2756?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-2756 published?

CVE-2013-2756 was published on 2014-05-23 and last updated on 2026-06-16.

CVE-2013-2756

CVE-2013-2756 is a medium-severity vulnerability in Apache Cloudstack with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Apache Cloudstack
Published: 2014-05-23
Last modified: 2026-06-16

Description

Apache CloudStack 4.0.0 before 4.0.2 and Citrix CloudPlatform (formerly Citrix CloudStack) 3.0.x before 3.0.6 Patch C allows remote attackers to bypass the console proxy authentication by leveraging knowledge of the source code.

Frequently asked questions

What is CVE-2013-2756?: Apache CloudStack 4.0.0 before 4.0.2 and Citrix CloudPlatform (formerly Citrix CloudStack) 3.0.x before 3.0.6 Patch C allows remote attackers to bypass the console proxy authentication by leveraging knowledge of the source code.
How severe is CVE-2013-2756?: CVE-2013-2756 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-2756 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-2756?: CVE-2013-2756 primarily affects Apache Cloudstack. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-2756?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-2756 published?: CVE-2013-2756 was published on 2014-05-23 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:a:apache:cloudstack:4.0.0:incubating:*:*:*:*:*:*
cpe:2.3:a:apache:cloudstack:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:cloudstack:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:citrix:cloudplatform:3.0:*:*:*:*:*:*:*
cpe:2.3:a:citrix:cloudplatform:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:citrix:cloudplatform:3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:citrix:cloudplatform:3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:citrix:cloudplatform:3.0.6:*:*:*:*:*:*:*

More vulnerabilities in Apache Cloudstack

CVE-2012-4501 — Critical (CVSS 10.0): Citrix Cloud.com CloudStack, and Apache CloudStack pre-release, allows remote attackers to make arbitrary API calls by…
CVE-2024-39864 — Critical (CVSS 9.8): The CloudStack integration API service allows running its unauthenticated API server (usually on port 8096 when…
CVE-2024-38346 — Critical (CVSS 9.8): The CloudStack cluster service runs on unauthenticated port (default 9090) that can be misused to run arbitrary…
CVE-2024-29006 — Critical (CVSS 9.8): By default the CloudStack management server honours the x-forwarded-for HTTP header and logs it as the source IP of an…
CVE-2022-35741 — Critical (CVSS 9.8): Apache CloudStack version 4.5.0 and later has a SAML 2.0 authentication Service Provider plugin which is found to be…
CVE-2019-17562 — Critical (CVSS 9.8): A buffer overflow vulnerability has been found in the baremetal component of Apache CloudStack. This applies to all…

All CVEs affecting Apache Cloudstack →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-101077 — Critical (CVSS 10.0): A flaw has been found in Netcore NR289-GE 1.4.5102. This impacts the function process_request of the component boa_temp…
CVE-2026-100886 — Critical (CVSS 10.0): A vulnerability was identified in Seetong T8108, T8108P, T8116 and T8232 4.6.1.4-build202604241011. The affected…
CVE-2026-77244 — Critical (CVSS 10.0): MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0,…
CVE-2026-94493 — Critical (CVSS 10.0): A vulnerability was detected in Gigatech PDV5701 1.0.31_240305_112640. This issue affects some unknown processing of…
CVE-2026-83099 — Critical (CVSS 10.0): Vulnerability in the Oracle Forms product of Oracle Fusion Middleware (component: Forms Services, C/S, Charmode).…
CVE-2026-83059 — Critical (CVSS 10.0): Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).…

Browse all CWE-287 (Improper Authentication) vulnerabilities →