HOMEVULNERABILITIESCVE-2016-2312
MEDIUM

CVE-2016-2312

CWE-254Published: December 23, 2016· Updated: Jun 17, 2026

6.8
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2016-2312 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorPhysical
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Fedora1 product(s)
fedora
kde2 product(s)
kscreenlockerplasma-workspace
openSUSE1 product(s)
leap
Source: NVD CPE · 5 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/177454.html
ADVISORYhttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/177557.html
ADVISORYhttps://bugs.kde.org/show_bug.cgi?id=358125
ADVISORYhttps://bugzilla.opensuse.org/show_bug.cgi?id=964548
ADVISORYhttps://www.kde.org/info/security/advisory-20160209-1.txt
ADVISORYhttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/177454.html
ADVISORYhttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/177557.html
ADVISORYhttps://bugs.kde.org/show_bug.cgi?id=358125
ADVISORYhttps://bugzilla.opensuse.org/show_bug.cgi?id=964548
ADVISORYhttps://www.kde.org/info/security/advisory-20160209-1.txt

All References (10)

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

Quick Facts

CVE IDCVE-2016-2312
CVSS Score6.8 / 10
SeverityMEDIUM
WeaknessCWE-254
CISA KEVNo
Affected3 vendor(s)
PublishedDec 23, 2016

Related CVEs (CWE-254)

CVE-2016-5788
10.0
CVE-2015-1158
10.0
CVE-2015-3972
10.0
CVE-2015-8804
9.8
CVE-2015-8286
9.8
CVE-2016-1896
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-2312 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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