CVE-2021-20185
Published Jan 28, 2021
Last updated 2 years ago
Overview
- Description
- It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that messaging did not impose a character limit when sending messages, which could result in client-side (browser) denial of service for users receiving very large messages.
- Source
- secalert@redhat.com
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 5.3
- Impact score
- 1.4
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 5
- Impact score
- 2.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:N/I:N/A:P
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "23C5022F-A799-4279-8E31-BDAE6C98F87C",
"versionEndExcluding": "3.5.16",
"versionStartIncluding": "3.5.0"
},
{
"criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4C0C5BDE-B2B5-4DE7-BDE0-831F3B56A9CC",
"versionEndExcluding": "3.8.7",
"versionStartIncluding": "3.8.0"
},
{
"criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "47B9548F-912D-4D36-BE31-566EF2812EEA",
"versionEndExcluding": "3.9.4",
"versionStartIncluding": "3.9.0"
},
{
"criteria": "cpe:2.3:a:moodle:moodle:3.10.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7B9E83AE-D857-4F96-9466-1361E116D160"
}
],
"operator": "OR"
}
]
}
]