CVE-2021-32473: Moodle/moodle Moodle Information Disclosure Vulnerability Vulnerability
MODERATECVE-2021-32473 is a MODERATE (CVSS 5.3) moodle information disclosure vulnerability vulnerability (CWE-200: Exposure of Sensitive Information to an Unauthorized Actor) affecting Moodle/moodle libraries in the Packagist ecosystem. The issue involves moodle information disclosure vulnerability. Remediation is available by upgrading affected packages to version 3.5.18, 3.8.9, 3.9.7, 3.10.4.
CVE-2021-32473 at a Glance
Security Impact
CVSS: 5.3
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
How to Fix CVE-2021-32473
To remediate this vulnerability, upgrade all affected Moodle/moodle dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade moodle/moodle to 3.5.18Upgrade moodle/moodle to 3.8.9Upgrade moodle/moodle to 3.9.7Upgrade moodle/moodle to 3.10.4Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for moodle/moodleHow to Check if You Are Affected
To determine whether your application is affected by CVE-2021-32473, inspect your project dependencies for Moodle/moodle:
inspect dependencies for moodle/moodleAnalyze the terminal output to locate any version of Moodle/moodle in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.5.18), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor, where the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. In Moodle/moodle, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2021-32473 Affected Moodle/moodle Versions
4 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
moodle/moodle
|
Packagist |
≥ 3.5
< 3.5.18
|
3.5.18
|
|
moodle/moodle
|
Packagist |
≥ 3.8
< 3.8.9
|
3.8.9
|
|
moodle/moodle
|
Packagist |
≥ 3.9
< 3.9.7
|
3.9.7
|
|
moodle/moodle
|
Packagist |
≥ 3.10
< 3.10.4
|
3.10.4
|
References
Frequently Asked Questions
What is CVE-2021-32473?
Which Moodle/moodle versions are affected?
What version fixes CVE-2021-32473?
Is moodle/moodle affected?
What is the CVSS score of CVE-2021-32473?
What CWE is associated with CVE-2021-32473?
How can I check Packagist dependencies for CVE-2021-32473?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-wx87-h539-4775",
"modified" : "2024-04-23T22:41:11Z",
"published" : "2022-03-12T00:00:32Z",
"aliases" : [ "CVE-2021-32473" ],
"summary" : "Moodle Information Disclosure vulnerability",
"details" : "It was possible for a student to view their quiz grade before it had been released, using a quiz web service. Moodle 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, 3.5 to 3.5.17 and earlier unsupported versions are affected",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.5"
}, {
"fixed" : "3.5.18"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.8"
}, {
"fixed" : "3.8.9"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.9"
}, {
"fixed" : "3.9.7"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.10"
}, {
"fixed" : "3.10.4"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-32473"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/moodle/moodle"
}, {
"type" : "WEB",
"url" : "https://moodle.org/mod/forum/discuss.php?d=422307"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-200" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2024-04-23T22:41:11Z",
"nvd_published_at" : "2022-03-11T18:15:00Z"
}
}