GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2025-3645 (GCVE-0-2025-3645)

Vulnerability from cvelistv5 – Published: 2025-04-25 14:43 – Updated: 2025-04-28 16:28
VLAI
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.
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
Impacted products
Vendor Product Version CPE status
Affected: 4.5.0 , < 4.5.4 (semver)
Affected: 4.4.0 , < 4.4.8 (semver)
Affected: 4.3.0 , < 4.3.12 (semver)
Affected: 4.1.0 , < 4.1.18 (semver)
Date Public
2025-04-22 12:00
Show details on NVD website

{
  "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"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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…

Detection rules are retrieved from Rulezet.

Loading…

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…