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CVE-2011-2187

25
FAUCET Score

CVE-2011-2187 describes a vulnerability in xscreensaver versions prior to 5.14, specifically affecting Debian Linux distributions. When configured in "Blank Only Mode" with DPMS disabled, the screensaver crashes upon activation, leaving the system unlocked and allowing unauthenticated local access to resources. This vulnerability carries a high CVSS score of 7.8, indicating a significant risk due to its low attack complexity and the potential for high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.14CPE matchmatch criteria
cpe:2.3:a:xscreensaver_project:xscreensaver:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.48%
Probability of exploitation in next 30 days
EPSS Percentile
38.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0048 is in the 79th percentile among its peer group of 16,994 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2011-2187Moderate

xscreensaver: exits when activated (DPMSForceLevel)

May 10, 2011

References

access.redhat.com / security/cve/cve-2011-2187
Third Party Advisory
bugs.debian.org / cgi-bin/bugreport.cgi
ExploitThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
ExploitIssue TrackingThird Party Advisory
security-tracker.debian.org / tracker/CVE-2011-2187
Third Party Advisory
jwz.org / xscreensaver/changelog.html
Release NotesVendor Advisory
openwall.com / lists/oss-security/2011/06/06/17
Mailing ListThird Party Advisory