CVE-2016-5416 [High] | Information Disclosure in Enterprise Linux Desktop

389 Directory Server in Red Hat Enterprise Linux Desktop 6 through 7, Red Hat Enterprise Linux HPC Node 6 through 7, Red Hat Enterprise Linux Server 6 through 7, and Red Hat Enterprise Linux Workstation 6 through 7 allows remote attackers to read the default Access Control Instructions.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-04-23	0.17%	0.42%	+0.25%
2	2026-01-21	0.32%	0.17%	-0.15%
3	2025-03-30	—	0.32%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-04-23

0.17%

0.42%

+0.25%

2026-01-21

0.32%

0.17%

-0.15%

2025-03-30

—

0.32%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.5	3.0	HIGH	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:N) Service keeps running; no real outage angle.	3.9	3.6	[email protected]
5.0	2.0	MEDIUM	`AV:N/AC:L/Au:N/C:P/I:N/A:N` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:P) Partial confidentiality impact. Integrity impact (I:N) No integrity impact. Availability impact (A:N) No availability impact.	10.0	2.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.5

3.0

HIGH

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

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:N): Service keeps running; no real outage angle.

3.9

3.6

[email protected]

5.0

2.0

MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:P): Partial confidentiality impact.
Integrity impact (I:N): No integrity impact.
Availability impact (A:N): No availability impact.

10.0

2.9

[email protected]

OS Trackers for CVE-2016-5416

vendor	priority	summary	link
`debian`	unimportant	CVE-2016-5416 unimportant priority: Debian including 1 source packages (389-ds-base), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): open 4.	https://security-tracker.debian.org/tracker/CVE-2016-5416
`redhat`	medium	—	https://access.redhat.com/security/cve/CVE-2016-5416
`suse`	medium	CVE-2016-5416 severity moderate: SUSE including 27 source package names (389-ds-1.4.0.26~git0.8a2d3de6f-4.14.1, 389-ds-1.4.3.9~git0.3eb8617f6-1.2, …), 29 product×package rows across 8 product lines (SUSE Liberty Linux 7, SUSE Linux Enterprise Module for Server Applications 15, … (8 product lines)): Fixed 29.	https://www.suse.com/security/cve/CVE-2016-5416/
`ubuntu`	low	CVE-2016-5416 low priority: Ubuntu including 1 source packages (389-ds-base), 22 status rows across 22 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, precise, trusty, upstream, wily, xenial, yakkety, zesty): ignored 21, DNE 1.	https://ubuntu.com/security/CVE-2016-5416

Affected software / configurations for CVE-2016-5416

Vendor	Product	Version	Raw CPE
redhat	enterprise_linux_desktop	6.0	cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:::::::*
redhat	enterprise_linux_desktop	7.0	cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
redhat	enterprise_linux_hpc_node	6.0	cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:::::::*
redhat	enterprise_linux_hpc_node	7.0	cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:::::::*
redhat	enterprise_linux_server	6.0	cpe:2.3:o:redhat:enterprise_linux_server:6.0:::::::*
redhat	enterprise_linux_server	7.0	cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
redhat	enterprise_linux_workstation	6.0	cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:::::::*
redhat	enterprise_linux_workstation	7.0	cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*

References for CVE-2016-5416

URL	Tags
http://rhn.redhat.com/errata/RHSA-2016-2594.html	Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2016-2765.html	Vendor Advisory
http://www.securityfocus.com/bid/99097	Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1349540	Issue Tracking Vendor Advisory

URL

CVE-2016-5416

Exploit prediction scoring system (EPSS) score for CVE-2016-5416

Common vulnerability scoring system (CVSS) metrics for CVE-2016-5416

Weakness enumeration for CVE-2016-5416

OS Trackers for CVE-2016-5416

Affected software / configurations for CVE-2016-5416

References for CVE-2016-5416