CVE-2011-2187
xscreensaver before 5.14 crashes during activation and leaves the screen unlocked when in Blank...
xscreensaver before 5.14 crashes during activation and leaves the screen unlocked when in Blank Only Mode and when DPMS is disabled, which allows local attackers to access resources without authentication.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
xscreensaver before 5.14 crashes during activation and leaves the screen unlocked when in Blank Only Mode and when DPMS is disabled, which allows local attackers to access resources without authentication.
- Record
CVE-2011-2187- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-306
- Updated
- 2026-11-02
CVE List No score
xscreensaver before 5.14 crashes during activation and leaves the screen unlocked when in Blank Only Mode and when DPMS is disabled, which allows local attackers to access resources without authentication.
- Record
CVE-2011-2187- Updated
- 2026-11-02
EUVDEUVD-2011-2178 No score
xscreensaver before 5.14 crashes during activation and leaves the screen unlocked when in Blank Only Mode and when DPMS is disabled, which allows local attackers to access resources without authentication.
- Record
EUVD-2011-2178- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p786-96f8-68ff
xscreensaver before 5.14 crashes during activation and leaves the screen unlocked when in Blank...
xscreensaver before 5.14 crashes during activation and leaves the screen unlocked when in Blank Only Mode and when DPMS is disabled, which allows local attackers to access resources without authentication.
- Record
GHSA-p786-96f8-68ff- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
OSV
xscreensaver before 5.14 crashes during activation and leaves the screen unlocked when in Blank Only Mode and when DPMS is disabled, which allows local attackers to access resources without authentication.
- Record
CVE-2011-2187- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-2187
xscreensaver before 5.14 crashes during activation and leaves the screen unlocked when in Blank Only Mode and when DPMS is disabled, which allows local attackers to access resources without authentication.
- Record
DEBIAN-CVE-2011-2187- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
xscreensaverDebian:12 |
before 5.14-1 | 5.14-1 |
xscreensaverDebian:13 |
before 5.14-1 | 5.14-1 |
xscreensaverDebian:14 |
before 5.14-1 | 5.14-1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-2187 is a high vulnerability (CVSS 7.8) in Xscreensaver, published November 27, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.48%, the 41st percentile. Fixed in xscreensaver 5.14-1.
References
security-tracker.debian.org/tracker/CVE-2011-2187
bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2187
access.redhat.com/security/cve/cve-2011-2187
bugs.debian.org/cgi-bin/bugreport.cgi?bug=627382
openwall.com/lists/oss-security/2011/06/06/17
jwz.org/xscreensaver/changelog.html
nvd.nist.gov/vuln/detail/CVE-2011-2187
github.com/advisories/GHSA-p786-96f8-68ff