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CVE-2016-4455

17
FAUCET Score

CVE-2016-4455 describes a weak permissions vulnerability in the Subscription Manager package (subscription-manager) prior to version 1.17.7-1, affecting Red Hat Enterprise Linux and the subscription-manager itself. This flaw allows local users to read sensitive information from cache directories due to insecure 755 permissions. Rated with a low CVSS score of 3.3, the vulnerability requires local access and has a low impact on confidentiality. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.3LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
34.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 91st percentile among its peer group of 1,509 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 (9)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: python-rhsm-0:1.18.6-1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: subscription-manager-0:1.18.10-1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: subscription-manager-migration-data-0:2.0.34-1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: python-rhsm-0:1.17.9-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: subscription-manager-0:1.17.15-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: subscription-manager-migration-data-0:2.0.31-1.el7
View patch
redhatpatch availablevia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: subscription-manager

Vendor Advisories (1)

redhatCVE-2016-4455Moderate

subscription-manager: sensitive world readable files in /var/lib/rhsm/

May 25, 2016

References

rhn.redhat.com / errata/RHSA-2016-2592.html
Third Party AdvisoryVDB Entry
rhn.redhat.com / errata/RHSA-2017-0698.html
Third Party AdvisoryVDB Entry
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party AdvisoryVDB Entry
github.com / candlepin/subscription-manager/blob/subscription-manager-1.17.7-1/subscription-manager.spec
Third Party Advisory
github.com / candlepin/subscription-manager/commit/9dec31
PatchThird Party Advisory
openwall.com / lists/oss-security/2016/10/26/5
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/93926
Third Party AdvisoryVDB Entry
securitytracker.com / id/1038083
Third Party AdvisoryVDB Entry