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CVE-2016-5410

20
FAUCET Score

CVE-2016-5410 describes an authentication bypass vulnerability in firewalld versions prior to 0.4.3.3, affecting various Red Hat Enterprise Linux products. This flaw allows local users to modify firewall configurations via specific D-Bus API methods. With a CVSS score of 5.5 (Medium), it has a low attack complexity and requires local access, but can lead to high integrity impact (unauthorized firewall changes). There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.4.3.2CPE matchmatch criteria
cpe:2.3:a:firewalld:firewalld:*:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
29.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 85th percentile among its peer group of 15,937 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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 (2)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: firewalld-0:0.4.3.2-8.el7
View patch

Vendor Advisories (1)

redhatCVE-2016-5410Moderate

firewalld: Firewall configuration can be modified by any logged in user

Aug 16, 2016

References

rhn.redhat.com / errata/RHSA-2016-2597.html
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatch
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/DPM3GUQRU2KPRXDEQLAMCDQEAIARJSBT
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/ZBJMYLGRVKIPJEI3VZJ4WQZT7FBQ5BKO
security.gentoo.org / glsa/201701-70
Third Party Advisory
firewalld.org / 2016/08/firewalld-0-4-3-3-release
PatchVendor Advisory
openwall.com / lists/oss-security/2016/08/16/3
Mailing List
securityfocus.com / bid/92481
Third Party AdvisoryVDB Entry