CVE-2021-21321
CVSS V2 High 7.5
CVSS V3 Critical 10
Description
fastify-reply-from is an npm package which is a fastify plugin to forward the current http request to another server. In fastify-reply-from before version 4.0.2, by crafting a specific URL, it is possible to escape the prefix of the proxied backend service. If the base url of the proxied server is "/pub/", a user expect that accessing "/priv" on the target service would not be possible. In affected versions, it is possible. This is fixed in version 4.0.2.
Overview
- CVE ID
- CVE-2021-21321
- Assigner
- security-advisories@github.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-03-02T04:15:12
- Last Modified Date
- 2021-03-09T13:43:17
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:fastify-reply-from_project:fastify-reply-from:*:*:*:*:*:node.js:*:* | 1 | OR | 4.0.2 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 10
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 6
References
| Reference URL | Reference Tags |
|---|---|
| https://www.npmjs.com/package/fastify-reply-from | Product Third Party Advisory |
| https://github.com/fastify/fastify-reply-from/commit/dea227dda606900cc01870d08541b4dcc69d3889 | Patch Third Party Advisory |
| https://github.com/fastify/fastify-reply-from/security/advisories/GHSA-qmw8-3v4g-gwj4 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-21321 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21321 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:20:40 | Added to TrackCVE | |||
| 2022-12-05 22:59:16 | 2021-03-02T04:15Z | 2021-03-02T04:15:12 | CVE Published Date | updated |
| 2022-12-05 22:59:16 | 2021-03-09T13:43:17 | CVE Modified Date | updated | |
| 2022-12-05 22:59:16 | Analyzed | Vulnerability Status | updated |