7.5

CVE-2016-9599: openstack puppet-tripleo Improper Access Control

CVSS: 7.5v3.0HighModified
AliasesRHSA-2017:0025
Published 23-04-2018Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-9599 is a high (CVSS 7.5) Improper Access Control vulnerability in openstack puppet-tripleo. EPSS estimates a 0.82% chance of exploitation in the next 30 days, higher than 56.5% 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
0.82%
0%100%
Low · -0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-04-2018
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

puppet-tripleo before versions 5.5.0, 6.2.0 is vulnerable to an access-control flaw in the IPtables rules management, which allowed the creation of TCP/UDP rules with empty port values. If SSL is enabled, a malicious user could use these open ports to gain access to unauthorized resources.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.82%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

-0.02 pp

From 0.84% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.82%

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

Redhat2 products
Openstack1 product
Unspecified1 product

3 vendors · 4 products

References

9 links