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cve[email protected]CVE-2021-20187
HistoryJan 28, 2021 - 7:15 p.m.

CVE-2021-20187

2021-01-2819:15:13
CWE-94
CWE-829
web.nvd.nist.gov
31
8
cve-2021-20187
moodle
shibboleth
php include
authentication vulnerability

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.9%

It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that it was possible for site administrators to execute arbitrary PHP scripts via a PHP include used during Shibboleth authentication.

Affected configurations

Vulners
NVD
Node
moodlemoodleRange3.10.1
OR
moodlemoodleRange3.9.4
OR
moodlemoodleRange3.8.7
OR
moodlemoodleRange3.5.16
VendorProductVersionCPE
moodlemoodle*cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodlemoodle*cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodlemoodle*cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodlemoodle*cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "moodle",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "moodle 3.10.1, moodle 3.9.4, moodle 3.8.7, moodle 3.5.16"
      }
    ]
  }
]

Social References

More

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.9%