CVE-2023-5539 Moodle: authenticated remote code execution risk in lesson

2023-11-0919:11:06

CWE-94

fedora

www.cve.org

cve-2023-5539

moodle

authenticated

remote code execution

lesson activity

teachers

managers

4.7 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

9.6 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

53.5%

JSON

A remote code execution risk was identified in the Lesson activity. By default this was only available to teachers and managers.

CNA Affected

[
  {
    "versions": [
      {
        "status": "affected",
        "version": "4.2.0",
        "lessThan": "4.2.3",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "4.1.0",
        "lessThan": "4.1.6",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "4.0.0",
        "lessThan": "4.0.11",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "3.11.0",
        "lessThan": "3.11.17",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "0",
        "lessThan": "3.9.24",
        "versionType": "semver"
      }
    ],
    "packageName": "moodle",
    "collectionURL": "https://git.moodle.org",
    "defaultStatus": "unaffected"
  }
]