CVE-2025-3645 (GCVE-0-2025-3645)
Vulnerability from cvelistv5 – Published: 2025-04-25 14:43 – Updated: 2025-04-28 16:28
VLAI
EPSS
VEX
Title
Moodle: idor in messaging web service allows access to some user details
Summary
A flaw was found in Moodle. Insufficient capability checks in a messaging web service allowed users to view other users' names and online statuses.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-25 15:42 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2025-3645 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2359761 | issue-trackingx_refsource_REDHAT |
| https://moodle.org/mod/forum/discuss.php?d=467606 |
Impacted products
Date Public
2025-04-22 12:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-3645",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-25T15:42:48.876446Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-04-25T15:55:13.301Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://git.moodle.org",
"defaultStatus": "unaffected",
"packageName": "moodle",
"versions": [
{
"lessThan": "4.5.4",
"status": "affected",
"version": "4.5.0",
"versionType": "semver"
},
{
"lessThan": "4.4.8",
"status": "affected",
"version": "4.4.0",
"versionType": "semver"
},
{
"lessThan": "4.3.12",
"status": "affected",
"version": "4.3.0",
"versionType": "semver"
},
{
"lessThan": "4.1.18",
"status": "affected",
"version": "4.1.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Red Hat would like to thank ostapbender for reporting this issue."
}
],
"datePublic": "2025-04-22T12:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in Moodle. Insufficient capability checks in a messaging web service allowed users to view other users\u0027 names and online statuses."
}
],
"metrics": [
{
"other": {
"content": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"value": "Moderate"
},
"type": "Red Hat severity rating"
}
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-863",
"description": "Incorrect Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-04-28T16:28:39.820Z",
"orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
"shortName": "fedora"
},
"references": [
{
"tags": [
"vdb-entry",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/security/cve/CVE-2025-3645"
},
{
"name": "RHBZ#2359761",
"tags": [
"issue-tracking",
"x_refsource_REDHAT"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2359761"
},
{
"url": "https://moodle.org/mod/forum/discuss.php?d=467606"
}
],
"timeline": [
{
"lang": "en",
"time": "2025-04-15T13:02:44.091Z",
"value": "Reported to Red Hat."
},
{
"lang": "en",
"time": "2025-04-22T12:00:00.000Z",
"value": "Made public."
}
],
"title": "Moodle: idor in messaging web service allows access to some user details",
"x_redhatCweChain": "CWE-863: Incorrect Authorization"
}
},
"cveMetadata": {
"assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
"assignerShortName": "fedora",
"cveId": "CVE-2025-3645",
"datePublished": "2025-04-25T14:43:15.306Z",
"dateReserved": "2025-04-15T13:05:26.013Z",
"dateUpdated": "2025-04-28T16:28:39.820Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2025-3645",
"date": "2026-09-18",
"epss": "0.00344",
"percentile": "0.28025"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"collectionURL": "https://git.moodle.org",
"defaultStatus": "unaffected",
"packageName": "moodle",
"versions": [
{
"lessThan": "4.5.4",
"status": "affected",
"version": "4.5.0",
"versionType": "semver"
},
{
"lessThan": "4.4.8",
"status": "affected",
"version": "4.4.0",
"versionType": "semver"
},
{
"lessThan": "4.3.12",
"status": "affected",
"version": "4.3.0",
"versionType": "semver"
},
{
"lessThan": "4.1.18",
"status": "affected",
"version": "4.1.0",
"versionType": "semver"
}
]
}
],
"source": "patrick@puiterwijk.org"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"matchCriteriaId": "245F0D61-A209-4129-AEA5-C8E1600F5202",
"versionEndExcluding": "4.1.18",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"matchCriteriaId": "BF438B80-5736-46ED-897E-726B563F8E0A",
"versionEndExcluding": "4.3.12",
"versionStartIncluding": "4.3.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"matchCriteriaId": "E758F51B-ADBF-406E-92A8-98090BE83C2B",
"versionEndExcluding": "4.4.8",
"versionStartIncluding": "4.4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"matchCriteriaId": "F12B5C6F-A83C-488C-9C26-3C9A61F93618",
"versionEndExcluding": "4.5.4",
"versionStartIncluding": "4.5.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in Moodle. Insufficient capability checks in a messaging web service allowed users to view other users\u0027 names and online statuses."
},
{
"lang": "es",
"value": "Se detect\u00f3 una falla en Moodle. Las comprobaciones de capacidad insuficientes en un servicio web de mensajer\u00eda permit\u00edan a los usuarios ver los nombres y estados de conexi\u00f3n de otros usuarios."
}
],
"id": "CVE-2025-3645",
"lastModified": "2026-06-17T09:20:22.867",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 1.4,
"source": "patrick@puiterwijk.org",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-3645",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-25T15:42:48.876446Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-04-25T15:15:38.410",
"references": [
{
"source": "patrick@puiterwijk.org",
"tags": [
"Third Party Advisory"
],
"url": "https://access.redhat.com/security/cve/CVE-2025-3645"
},
{
"source": "patrick@puiterwijk.org",
"tags": [
"Issue Tracking"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2359761"
},
{
"source": "patrick@puiterwijk.org",
"tags": [
"Vendor Advisory"
],
"url": "https://moodle.org/mod/forum/discuss.php?d=467606"
}
],
"sourceIdentifier": "patrick@puiterwijk.org",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-863"
}
],
"source": "patrick@puiterwijk.org",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-06-28T11:12:29+00:00",
"cve": "CVE-2025-3645",
"id": "CVE-2025-3645",
"initial_release_date": "2025-04-22T12:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "moodle: IDOR in messaging web service allows access to some user details",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-3645.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-3645",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-25T15:42:48.876446Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-04-25T15:42:50.347Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://git.moodle.org",
"defaultStatus": "unaffected",
"packageName": "moodle",
"versions": [
{
"lessThan": "4.5.4",
"status": "affected",
"version": "4.5.0",
"versionType": "semver"
},
{
"lessThan": "4.4.8",
"status": "affected",
"version": "4.4.0",
"versionType": "semver"
},
{
"lessThan": "4.3.12",
"status": "affected",
"version": "4.3.0",
"versionType": "semver"
},
{
"lessThan": "4.1.18",
"status": "affected",
"version": "4.1.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Red Hat would like to thank ostapbender for reporting this issue."
}
],
"datePublic": "2025-04-22T12:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in Moodle. Insufficient capability checks in a messaging web service allowed users to view other users\u0027 names and online statuses."
}
],
"metrics": [
{
"other": {
"content": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"value": "Moderate"
},
"type": "Red Hat severity rating"
}
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-863",
"description": "Incorrect Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-04-28T16:28:39.820Z",
"orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
"shortName": "fedora"
},
"references": [
{
"tags": [
"vdb-entry",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/security/cve/CVE-2025-3645"
},
{
"name": "RHBZ#2359761",
"tags": [
"issue-tracking",
"x_refsource_REDHAT"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2359761"
},
{
"url": "https://moodle.org/mod/forum/discuss.php?d=467606"
}
],
"timeline": [
{
"lang": "en",
"time": "2025-04-15T13:02:44.091Z",
"value": "Reported to Red Hat."
},
{
"lang": "en",
"time": "2025-04-22T12:00:00.000Z",
"value": "Made public."
}
],
"title": "Moodle: idor in messaging web service allows access to some user details",
"x_redhatCweChain": "CWE-863: Incorrect Authorization"
}
},
"cveMetadata": {
"assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
"assignerShortName": "fedora",
"cveId": "CVE-2025-3645",
"datePublished": "2025-04-25T14:43:15.306Z",
"dateReserved": "2025-04-15T13:05:26.013Z",
"dateUpdated": "2025-04-28T16:28:39.820Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
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.
Loading…
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.
Loading…
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.
Loading…