Vulnerability Monitor

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CVE-2016-2312

Turning all screens off in Plasma-workspace and kscreenlocker while the lock screen is shown can result in the screen being unlocked when turning a screen on again.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.8, with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 4 products from kde, from kde, from fedoraproject and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2016, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2016-12-23T22:59:00.127

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 6.8 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
CWE-254

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	kde	kscreenlocker	≤ 5.5.4	Yes
Application	kde	plasma-workspace	≤ 5.4.3	Yes
Operating System	fedoraproject	fedora	22	Yes
Operating System	fedoraproject	fedora	23	Yes
Operating System	opensuse	leap	42.1	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177454.html Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177557.html Third Party Advisory ([email protected])
https://bugs.kde.org/show_bug.cgi?id=358125 Vendor Advisory ([email protected])
https://bugzilla.opensuse.org/show_bug.cgi?id=964548 Issue Tracking, Third Party Advisory ([email protected])
https://www.kde.org/info/security/advisory-20160209-1.txt Vendor Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177454.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177557.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.kde.org/show_bug.cgi?id=358125 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.opensuse.org/show_bug.cgi?id=964548 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.kde.org/info/security/advisory-20160209-1.txt Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For kde's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.