CVE-2011-2187

HIGHNVD 7.87.8—

7.8

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.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 27.2%
KEV: Not listed

Published

November 27, 2019

Last Modified

November 21, 2024

References (12)

secalert@redhathttps://access.redhat.com/security/cve/cve-2011-2187
secalert@redhathttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=627382
secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2187
secalert@redhathttps://security-tracker.debian.org/tracker/CVE-2011-2187
secalert@redhathttps://www.jwz.org/xscreensaver/changelog.html
secalert@redhathttps://www.openwall.com/lists/oss-security/2011/06/06/17
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/cve-2011-2187
af854a3a-2127-422b-91ae-364da2661108https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=627382
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2187
af854a3a-2127-422b-91ae-364da2661108https://security-tracker.debian.org/tracker/CVE-2011-2187
af854a3a-2127-422b-91ae-364da2661108https://www.jwz.org/xscreensaver/changelog.html
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2011/06/06/17

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-306Missing Authentication for Critical Function

Data Freshness Timeline

(refreshed 10× in last 7d / 10× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 11:05 UTCEG score recompute
2026-05-27 11:05 UTCGHSA enrichment
2026-05-26 16:31 UTCOSV refresh
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:43 UTCepss_batch

Frequently asked(5)

What is CVE-2011-2187?

CVE-2011-2187 is a high vulnerability published on November 27, 2019. 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.

When was CVE-2011-2187 disclosed?

CVE-2011-2187 was first published in the National Vulnerability Database on November 27, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2011-2187 actively exploited?

CVE-2011-2187 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 27.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2011-2187?

CVE-2011-2187 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2011-2187?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-2187, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2011-2187

📅 Published

🔄 Last Modified

🔗 References (12)