CVE-2021-22886
Published Mar 26, 2021
Last updated 4 years ago
Overview
- Description
- Rocket.Chat before 3.11, 3.10.5, 3.9.7, 3.8.8 is vulnerable to persistent cross-site scripting (XSS) using nested markdown tags allowing a remote attacker to inject arbitrary JavaScript in a message. This flaw leads to arbitrary file read and RCE on Rocket.Chat desktop app.
- Source
- support@hackerone.com
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 6.1
- Impact score
- 2.7
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 4.3
- Impact score
- 2.9
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:N/I:P/A:N
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "86A30DEE-F0BD-42BD-8BE7-EAFC4EB83A94",
"versionEndExcluding": "3.8.8"
},
{
"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A5B4CA06-527F-4600-A11A-ABFA54D754C8",
"versionEndExcluding": "3.9.7",
"versionStartIncluding": "3.9.0"
},
{
"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D9EFC543-2F10-4521-9814-ABBD237364EB",
"versionEndExcluding": "3.10.5",
"versionStartIncluding": "3.10.0"
},
{
"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc0:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "894B212B-12E9-49D0-9DCC-A8DA2BE98FCD"
},
{
"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B996994C-FEC5-4524-94F4-E8F7CD666BC7"
},
{
"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "506868F8-3FEE-478E-BAA2-889C53A79977"
},
{
"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc3:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "49553F24-2CC0-48E6-BA55-4CE0283C1E6A"
},
{
"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc4:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C4B247DC-ECB0-4859-8F6D-6CAA2C01B57E"
},
{
"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc5:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B3962CCC-17F4-4F4B-AE82-A53DB5ED19A5"
},
{
"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc6:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AA4771F7-A143-44C9-8FED-B9111C22D058"
},
{
"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc7:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6CA36B0C-3A4D-44EA-BAB8-A9B2D7F672D2"
}
],
"operator": "OR"
}
]
}
]