Vulnerability Report

CVE-2015-5303

Title: Openstack Tripleo Heat Templates

Other

Proof Of Concept

No public PoC currently indexed for CVE-2015-5303.

CWE Category CWE-254

Published Date Apr 11, 2016

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 7.5 CVSS v3.0

Exploit Probability (EPSS)

1.65%

Vulnerability Summary

CVE-2015-5303: The TripleO Heat templates (tripleo-heat-templates), when deployed via the commandline interface, allow remote attackers to spoof OpenStack Networking metadata requests by leveraging knowledge of the default value of the NeutronMetadataProxySharedSecret parameter.

Impacted Vendors

openstack 1

Reference Links

https://access.redhat.com/errata/RHSA-2015:2650 https://bugs.launchpad.net/tripleo/+bug/1516027 https://access.redhat.com/errata/RHSA-2015:2650 https://bugs.launchpad.net/tripleo/+bug/1516027

CVSS v3.0

Source Entity [email protected]

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2015-5303 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 17, 2026 MODIFIED

Vulnerability data updated via NVD.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

April 12, 2025 MODIFIED

Vulnerability data or affected products updated.

April 11, 2016 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Stack

No specific products linked.