CVE-2011-4304

NONECVSS 0.0Trending — 3 sources updated this week

0.0

The chat functionality in Moodle 2.0.x before 2.0.5 and 2.1.x before 2.1.2 allows remote authenticated users to discover the name of any user via a beep operation.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 41.8%
KEV: Not listed

Published

July 11, 2012

Last Modified

April 29, 2026

References (6)

secalert@redhathttp://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=d0157d827bc254ba386a5e5b41b13be2698ee76e
secalert@redhathttp://moodle.org/mod/forum/discuss.php?d=188316
secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=747444
af854a3a-2127-422b-91ae-364da2661108http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=d0157d827bc254ba386a5e5b41b13be2698ee76e
af854a3a-2127-422b-91ae-364da2661108http://moodle.org/mod/forum/discuss.php?d=188316
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=747444

Weakness Classification(1)

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

CWE-200Exposure of Sensitive Information to an Unauthorized Actor

Data Freshness Timeline

(refreshed 14× in last 7d / 20× 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.

2026-06-04 13:09 UTCepss_batch
2026-06-04 13:09 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-29 04:01 UTCEG score recompute
2026-05-29 04:01 UTCGHSA enrichment
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch

Frequently asked(4)

What is CVE-2011-4304?

CVE-2011-4304 is a none vulnerability published on July 11, 2012. The chat functionality in Moodle 2.0.x before 2.0.5 and 2.1.x before 2.1.2 allows remote authenticated users to discover the name of any user via a beep operation.

When was CVE-2011-4304 disclosed?

CVE-2011-4304 was first published in the National Vulnerability Database on July 11, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2011-4304 actively exploited?

CVE-2011-4304 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 41.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2011-4304?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4304, 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.

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CVE-2011-4304

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2011-4304?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(4)

Related CVEs(same CWE)