CVE-2016-2312 [Medium] | Security Vulnerability in Kscreenlocker

CVE-2016-2312 is rated Low Risk (39.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.44%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.08%	0.44%	+0.37%
2	2025-03-30	0.15%	0.08%	-0.07%
3	2025-03-29	—	0.15%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.08%

0.44%

+0.37%

2025-03-30

0.15%

0.08%

-0.07%

2025-03-29

—

0.15%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
6.8	3.0	MEDIUM	`CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:P) Hands-on access—USB, keyboard, opening the case—not something you do purely over the wire. 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:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	0.9	5.9	[email protected]
4.6	2.0	MEDIUM	`AV:L/AC:L/Au:N/C:P/I:P/A:P` Click to expand Access vector (AV:L) Requires local access to the target system. 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:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	3.9	6.4	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

6.8

3.0

MEDIUM

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

Attack vector (AV:P): Hands-on access—USB, keyboard, opening the case—not something you do purely over the wire.
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:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

0.9

5.9

[email protected]

4.6

2.0

MEDIUM

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

Access vector (AV:L): Requires local access to the target system.
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:P): Partial integrity impact.
Availability impact (A:P): Partial availability impact.

3.9

6.4

[email protected]

OS Trackers for CVE-2016-2312

vendor	priority	summary	link
`debian`	not yet assigned	CVE-2016-2312 not yet assigned priority: Debian including 1 source packages (plasma-workspace), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2016-2312
`suse`	medium	CVE-2016-2312 severity moderate: SUSE including 16 source package names (kscreenlocker-5.12.5-lp150.1.1, kscreenlocker-5.18.5-bp153.1.28, …), 16 product×package rows across 5 product lines (openSUSE Leap 15.0, openSUSE Leap 15.2, … (5 product lines)): Fixed 16.	https://www.suse.com/security/cve/CVE-2016-2312/
`ubuntu`	low	CVE-2016-2312 low priority: Ubuntu including 1 source packages (plasma-workspace), 10 status rows across 10 suites (artful, bionic, cosmic, precise, trusty, upstream, wily, xenial, yakkety, zesty): not-affected 4, DNE 2, ignored 2, released 2.	https://ubuntu.com/security/CVE-2016-2312

Affected software / configurations for CVE-2016-2312

Vendor	Product	Version	Raw CPE
kde	kscreenlocker	<= 5.5.4	cpe:2.3:a:kde:kscreenlocker::::::::
kde	plasma-workspace	<= 5.4.3	cpe:2.3:a:kde:plasma-workspace::::::::
fedoraproject	fedora	22	cpe:2.3:o:fedoraproject:fedora:22:::::::*
fedoraproject	fedora	23	cpe:2.3:o:fedoraproject:fedora:23:::::::*
opensuse	leap	42.1	cpe:2.3:o:opensuse:leap:42.1:::::::*

References for CVE-2016-2312

URL	Tags
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177454.html	Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177557.html	Third Party Advisory
https://bugs.kde.org/show_bug.cgi?id=358125	Vendor Advisory
https://bugzilla.opensuse.org/show_bug.cgi?id=964548	Issue Tracking Third Party Advisory
https://www.kde.org/info/security/advisory-20160209-1.txt	Vendor Advisory

URL

CVE-2016-2312

Exploit prediction scoring system (EPSS) score for CVE-2016-2312

Common vulnerability scoring system (CVSS) metrics for CVE-2016-2312

Weakness enumeration for CVE-2016-2312

OS Trackers for CVE-2016-2312

Affected software / configurations for CVE-2016-2312

References for CVE-2016-2312