7.5

CVE-2015-5303: tripleo-heat-templates 7PK - Security Features

CVSS: 7.5v3.0HighModified
AliasesGHSA-m94p-8942-pm49PYSEC-2016-35UBUNTU-CVE-2015-5303
Published 11-04-2016Last modified 06-08-2024

Vulnerability summary

CVE-2015-5303 is a high (CVSS 7.5) 7PK - Security Features vulnerability in tripleo-heat-templates. EPSS estimates a 1.67% chance of exploitation in the next 30 days, higher than 76.5% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
1.67%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 11-04-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

1.67%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

+0.01 pp

From 1.65% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.67%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

PyPI1 product
  • tripleo-heat-templates< 0.8.10 | < 0.8.9
Ubuntu1 product
  • tripleo-heat-templatesAll versions (No fix recorded)

2 vendors · 2 products

References

12 links
Show all 12 references