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TalosCVE-2021-21809

HistoryJun 23, 2021 - 10:15 p.m.

CVE-2021-21809

2021-06-2322:15:08

CWE-78

talos

web.nvd.nist.gov

113

cve-2021-21809

command execution

vulnerability

spellchecker

moodle 3.10

administrator privileges

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.1

Confidence

High

EPSS

0.052

Percentile

93.1%

JSON

A command execution vulnerability exists in the default legacy spellchecker plugin in Moodle 3.10. A specially crafted series of HTTP requests can lead to command execution. An attacker must have administrator privileges to exploit this vulnerabilities.

Affected configurations

Nvd

Vulners

Node

moodlemoodleMatch3.10.0-

VendorProductVersionCPE
moodlemoodle3.10.0cpe:2.3:a:moodle:moodle:3.10.0:-:*:*:*:*:*:*

Vendor	Product	Version	CPE
moodle	moodle	3.10.0	cpe:2.3:a:moodle:moodle:3.10.0:-::::::

CNA Affected

[
  {
    "product": "Moodle",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Moodle 3.10"
      }
    ]
  }
]