CVE-2011-4593

medium

Published 2012-07-20 · Modified 2026-04-29

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

4.0

Description

Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 does not properly handle user/action_redir group messages, which allows remote authenticated users to discover e-mail addresses by visiting the messaging interface.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact

Vendor	Product	Versions
moodle	moodle	`1.9.1`
moodle	moodle	`1.9.2`
moodle	moodle	`1.9.3`
moodle	moodle	`1.9.4`
moodle	moodle	`1.9.5`
moodle	moodle	`1.9.6`
moodle	moodle	`1.9.7`
moodle	moodle	`1.9.8`
moodle	moodle	`1.9.9`
moodle	moodle	`1.9.10`
moodle	moodle	`1.9.11`
moodle	moodle	`1.9.12`
moodle	moodle	`1.9.13`
moodle	moodle	`1.9.14`
moodle	moodle	`2.0.0`
moodle	moodle	`2.0.1`
moodle	moodle	`2.0.2`
moodle	moodle	`2.0.3`
moodle	moodle	`2.0.4`
moodle	moodle	`2.0.5`
moodle	moodle	`2.1.0`
moodle	moodle	`2.1.1`
moodle	moodle	`2.1.2`

References

CWEs

CWE-200

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.