Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2016-9599

20
FAUCET Score

CVE-2016-9599 is an access-control flaw in puppet-tripleo versions prior to 5.5.0 and 6.2.0, affecting OpenStack and Red Hat OpenStack deployments. This vulnerability allowed the creation of TCP/UDP IPtables rules with empty port values. With SSL enabled, a malicious authenticated user could exploit these open ports to gain unauthorized access to resources, leading to high impact on confidentiality, integrity, and availability. Despite its high CVSS score of 7.5, there is no known active exploitation, public exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5.5.0CPE matchmatch criteria
cpe:2.3:a:openstack:puppet-tripleo:5.5.0:*:*:*:*:*:*:*
6.2.0CPE matchmatch criteria
cpe:2.3:a:openstack:puppet-tripleo:6.2.0:*:*:*:*:*:*:*
10CPE matchmatch criteria
cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
4.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.85%
Probability of exploitation in next 30 days
EPSS Percentile
54.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0085 is in the 51st percentile among its peer group of 1,160 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 10.0 (Newton)Fixed in: puppet-tripleo-0:5.4.0-4.el7ost
View patch

Vendor Advisories (1)

redhatCVE-2016-9599Important

puppet-tripleo: if ssl is enabled, traffic is open on both undercloud and overcloud

Dec 22, 2016

References

rhn.redhat.com / errata/RHSA-2017-0025.html
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory