CVE-2012-2354 — Moodle 2.1.x before 2.1.6 and 2.2.x before 2.2.3 allows remote authenticated users to bypass the moodle/site:readallmessages capability requirement and read arbitrary messages by using the "Recent conversations" feature with a modified parameter in a URL

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MEDIUM

Moodle 2.1.x before 2.1.6 and 2.2.x before 2.2.3 allows remote authenticated users to bypass the moodle/site:readallmessages capability requirement and read arbitrary messages by using the "Recent conversations" feature with a modified parameter in a URL

Published Jul 21, 2012

4.0

MEDIUM

CVSS 2.0

EPSS 1.00%

Description

Moodle 2.1.x before 2.1.6 and 2.2.x before 2.2.3 allows remote authenticated users to bypass the moodle/site:readallmessages capability requirement and read arbitrary messages by using the "Recent conversations" feature with a modified parameter in a URL.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.00% 0.01004

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01004

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.00% (0.01004)	61.61th	v5 (v2026.06.15)
Jun 15, 2026	1.00% (0.01004)	58.27th	v5 (v2026.06.15)
Mar 17, 2025	0.16% (0.00156)	33.87th	v4 (v2025.03.14)
Dec 12, 2024	0.12% (0.00123)	48.33th	v3 (v2023.03.01)
Sep 15, 2023	0.12% (0.00123)	46.18th	v3 (v2023.03.01)
Mar 7, 2023	0.12% (0.00118)	44.04th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)

Weaknesses (1)

CWE-264

References (2)

http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=48e03792ca8faa2d781f9ef74606f3b3f0d3baec
x_refsource_CONFIRM
http://openwall.com/lists/oss-security/2012/05/23/2
mailing-listx_refsource_MLIST

Link	Providers	Tags
http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=48e03792ca8faa2d781f9ef74606f3b3f0d3baec		x_refsource_CONFIRM
http://openwall.com/lists/oss-security/2012/05/23/2		mailing-listx_refsource_MLIST

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner redhat

Published Jul 21, 2012

Updated Aug 6, 2024

Reserved Apr 19, 2012

Link CVE-2012-2354

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2012-2354

Red Hat

Severity n/a

Public date n/a

Links CVE-2012-2354