CVE-2021-23384— Open Redirect
Quick assessment
Affected
n/a koa-remove-trailing-slashes
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
koa-remove-trailing-slashes是一个应用软件。一个Koa中间件，可删除路径上的尾部斜杠。 koa-remove-trailing-slashes 2.0.2之前版本存在安全漏洞，该漏洞源于容易受到Open Redirect的攻击。
Possible ATT&CK Techniques 1 AI
T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-23384
Vulnerability Information
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Vulnerability Title
Open Redirect
Source: CVE Program / CVE List V5
Vulnerability Description
The package koa-remove-trailing-slashes before 2.0.2 are vulnerable to Open Redirect via the use of trailing double slashes in the URL when accessing the vulnerable endpoint (such as https://example.com//attacker.example/). The vulnerable code is in index.js::removeTrailingSlashes(), as the web server uses relative URLs instead of absolute URLs.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
koa-remove-trailing-slashes 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
koa-remove-trailing-slashes是一个应用软件。一个Koa中间件，可删除路径上的尾部斜杠。 koa-remove-trailing-slashes 2.0.2之前版本存在安全漏洞，该漏洞源于容易受到Open Redirect的攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | koa-remove-trailing-slashes | unspecified ~ 2.0.2 | - |
|
II. Public POCs for CVE-2021-23384
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-23384 (1)
-
https://snyk.io/vuln/SNYK-JS-KOAREMOVETRAILINGSLASHES-1085708 x_refsource_MISC
Other References for CVE-2021-23384 (1)
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IV. Related Vulnerabilities
V. Comments for CVE-2021-23384
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