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CVE-2016-5404

24
FAUCET Score

CVE-2016-5404 describes a vulnerability in FreeIPA where the cert_revoke command fails to enforce proper permissions, allowing authenticated users with "retrieve certificate" privileges to revoke arbitrary certificates. This medium-severity vulnerability (CVSS 6.5) has a low attack complexity and requires only low privileges, leading to a high impact on availability by enabling unauthorized certificate revocation. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:freeipa:freeipa:-:*:*:*:*:*:*:*
6CPE matchmatch criteria
cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*
7CPE matchmatch criteria
cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
23CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
24CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.58%
Probability of exploitation in next 30 days
EPSS Percentile
83.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0259 is in the 94th percentile among its peer group of 21,939 CVEs.

Social Chatter

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

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: ipa-0:3.0.0-50.el6_8.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: ipa-0:4.2.0-15.el7_2.19
View patch

Vendor Advisories (1)

redhatCVE-2016-5404Moderate

ipa: Insufficient privileges check in certificate revocation

Aug 17, 2016

References

rhn.redhat.com / errata/RHSA-2016-1797.html
fedorahosted.org / freeipa/ticket/6232
Issue Tracking
git.fedorahosted.org / cgit/freeipa.git/commit
Issue TrackingPatch
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/3PZ2ZQTMGC2UBRNHXVVOY3PJDOBP4CP4
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/S5OROLKFSY5QRQS7NGBNDP5QMOBV3XMZ
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/VQDYWANTMDFZP3HTGSEOA2IONVUITYX5
openwall.com / lists/oss-security/2016/08/17/9
Mailing ListThird Party Advisory
oracle.com / technetwork/topics/security/linuxbulletinjul2016-3090544.html
Third Party Advisory
securityfocus.com / bid/92525
Third Party AdvisoryVDB Entry