CVE-2015-5303
CVE-2015-5303 is a high-severity vulnerability in Openstack Tripleo Heat Templates with a CVSS 3.x base score of 7.5. 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-254.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (74th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-254
- Affected product: Openstack Tripleo Heat Templates
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2015-5303?
- CVE-2015-5303 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2015-5303 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-5303?
- CVE-2015-5303 affects Openstack Tripleo Heat Templates. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2015-5303?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2015-5303 published?
- CVE-2015-5303 was published on 2016-04-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:openstack:tripleo_heat_templates:*:*:*:*:*:*:*:*
More vulnerabilities in Openstack Tripleo Heat Templates
- CVE-2018-10898 — High (CVSS 8.8): A vulnerability was found in openstack-tripleo-heat-templates before version 8.0.2-40. When deployed using Director…
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- CVE-2021-3585 — Medium (CVSS 5.5): A flaw was found in openstack-tripleo-heat-templates. Plain passwords from RHSM exist in the logs during OSP13…
- CVE-2021-4180 — Medium (CVSS 4.3): An information exposure flaw in openstack-tripleo-heat-templates allows an external user to discover the internal IP or…
All CVEs affecting Openstack Tripleo Heat Templates →
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