CVE-2021-43787
CVSS V2 Medium 4.3
CVSS V3 Medium 6.1
Description
Nodebb is an open source Node.js based forum software. In affected versions a prototype pollution vulnerability in the uploader module allowed a malicious user to inject arbitrary data (i.e. javascript) into the DOM, theoretically allowing for an account takeover when used in conjunction with a path traversal vulnerability disclosed at the same time as this report. The vulnerability has been patched as of v1.18.5. Users are advised to upgrade as soon as possible.
Overview
- CVE ID
- CVE-2021-43787
- Assigner
- security-advisories@github.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-11-29T20:15:08
- Last Modified Date
- 2022-10-27T19:45:21
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:nodebb:nodebb:*:*:*:*:*:*:*:* | 1 | OR | 1.15.5 | 1.18.4 |
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://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/ | Exploit Third Party Advisory |
| https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4c | Patch Third Party Advisory |
| https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5 | Patch Release Notes Third Party Advisory |
| https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fc | Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-43787 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43787 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:44:31 | Added to TrackCVE | |||
| 2022-12-05 15:15:43 | 2021-11-29T20:15Z | 2021-11-29T20:15:08 | CVE Published Date | updated |
| 2022-12-05 15:15:43 | 2022-10-27T19:45:21 | CVE Modified Date | updated | |
| 2022-12-05 15:15:43 | Analyzed | Vulnerability Status | updated | |
| 2022-12-05 15:15:43 | CWE-1321 | Weakness Enumeration | updated | |
| 2022-12-05 15:15:47 | References | updated |