GSD-2021-36403
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
In Moodle, in some circumstances, email notifications of messages could have the link back to the original message hidden by HTML, which may pose a phishing risk.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-36403",
"id": "GSD-2021-36403"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-36403"
],
"details": "In Moodle, in some circumstances, email notifications of messages could have the link back to the original message hidden by HTML, which may pose a phishing risk.",
"id": "GSD-2021-36403",
"modified": "2023-12-13T01:23:16.643275Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"ASSIGNER": "patrick@puiterwijk.org",
"ID": "CVE-2021-36403",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Moodle",
"version": {
"version_data": [
{
"version_value": "3.11, 3.10 to 3.10.4, 3.9 to 3.9.7 and earlier unsupported versions"
}
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"description": {
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"value": "In Moodle, in some circumstances, email notifications of messages could have the link back to the original message hidden by HTML, which may pose a phishing risk."
}
]
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"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-912"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://moodle.org/mod/forum/discuss.php?d=424809",
"refsource": "MISC",
"url": "https://moodle.org/mod/forum/discuss.php?d=424809"
}
]
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "\u003c3.9.8||\u003e=3.10.0-beta,\u003c3.10.5||\u003e=3.11.0-beta,\u003c3.11.1",
"affected_versions": "All versions before 3.9.8, all versions starting from 3.10.0 before 3.10.5, all versions starting from 3.11.0-beta before 3.11.1",
"cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-937"
],
"date": "2023-03-13",
"description": "In Moodle, in some circumstances, email notifications of messages could have the link back to the original message hidden by HTML, which may pose a phishing risk.",
"fixed_versions": [
"3.9.8",
"3.10.5",
"3.11.1"
],
"identifier": "CVE-2021-36403",
"identifiers": [
"CVE-2021-36403",
"GHSA-j9cw-5cpj-9qj5"
],
"not_impacted": "All versions starting from 3.9.8 before 3.10.0-beta, all versions starting from 3.10.5 before 3.11.0-beta, all versions starting from 3.11.1",
"package_slug": "packagist/moodle/moodle",
"pubdate": "2023-03-06",
"solution": "Upgrade to versions 3.9.8, 3.10.5, 3.11.1 or above.",
"title": "Moodle has a Hidden Functionality vulnerability",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2021-36403",
"https://moodle.org/mod/forum/discuss.php?d=424809",
"https://github.com/advisories/GHSA-j9cw-5cpj-9qj5"
],
"uuid": "7a9bdde9-52f4-4856-8d6c-2707d7fdb3c1"
}
]
},
"nvd.nist.gov": {
"configurations": {
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"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "3.11.1",
"versionStartIncluding": "3.11.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "3.10.5",
"versionStartIncluding": "3.10.0",
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},
{
"cpe23Uri": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "3.9.8",
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"operator": "OR"
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"cve": {
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"ASSIGNER": "patrick@puiterwijk.org",
"ID": "CVE-2021-36403"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
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"value": "In Moodle, in some circumstances, email notifications of messages could have the link back to the original message hidden by HTML, which may pose a phishing risk."
}
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},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
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},
"references": {
"reference_data": [
{
"name": "https://moodle.org/mod/forum/discuss.php?d=424809",
"refsource": "MISC",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://moodle.org/mod/forum/discuss.php?d=424809"
}
]
}
},
"impact": {
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4
}
},
"lastModifiedDate": "2023-03-13T18:52Z",
"publishedDate": "2023-03-06T23:15Z"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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