CVE-2021-22886
CVSS V2 Medium 4.3
CVSS V3 Medium 6.1
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.
Overview
- CVE ID
- CVE-2021-22886
- Assigner
- support@hackerone.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-03-26T19:15:11
- Last Modified Date
- 2021-03-30T20:26:41
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:* | 1 | OR | 3.8.8 | |
| cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:* | 1 | OR | 3.9.0 | 3.9.7 |
| cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:* | 1 | OR | 3.10.0 | 3.10.5 |
| cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc0:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc4:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc5:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc6:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:rc7:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 6.1
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 2.7
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/RocketChat/Rocket.Chat/pull/20430 | Patch Third Party Advisory |
| https://docs.rocket.chat/guides/security/security-updates | Vendor Advisory |
| https://hackerone.com/reports/1014459 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-22886 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22886 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:18:09 | Added to TrackCVE | |||
| 2022-12-06 00:31:47 | cve-assignments@hackerone.com | support@hackerone.com | CVE Assigner | updated |
| 2022-12-06 00:31:47 | 2021-03-26T19:15Z | 2021-03-26T19:15:11 | CVE Published Date | updated |
| 2022-12-06 00:31:47 | 2021-03-30T20:26:41 | CVE Modified Date | updated | |
| 2022-12-06 00:31:47 | Analyzed | Vulnerability Status | updated |