CVE-2021-23384
Apache Koa Open Redirect 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.
INFO
Published Date :
May 17, 2021, 6:15 p.m.
Last Modified :
Nov. 21, 2024, 5:51 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.5
Exploitability Score :
2.8
Affected Products
The following products are affected by CVE-2021-23384
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-23384.
| URL | Resource |
|---|---|
| https://github.com/vgno/koa-remove-trailing-slashes/blame/6a01ba8fd019bd3ece44879c553037ad96ba7d47/index.js%23L31 | Broken Link |
| https://snyk.io/vuln/SNYK-JS-KOAREMOVETRAILINGSLASHES-1085708 | Exploit Third Party Advisory |
| https://github.com/vgno/koa-remove-trailing-slashes/blame/6a01ba8fd019bd3ece44879c553037ad96ba7d47/index.js%23L31 | Broken Link |
| https://snyk.io/vuln/SNYK-JS-KOAREMOVETRAILINGSLASHES-1085708 | Exploit Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-23384 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-23384 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/vgno/koa-remove-trailing-slashes/blame/6a01ba8fd019bd3ece44879c553037ad96ba7d47/index.js%23L31 Added Reference https://snyk.io/vuln/SNYK-JS-KOAREMOVETRAILINGSLASHES-1085708 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
May. 25, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N Changed Reference Type https://github.com/vgno/koa-remove-trailing-slashes/blame/6a01ba8fd019bd3ece44879c553037ad96ba7d47/index.js%23L31 No Types Assigned https://github.com/vgno/koa-remove-trailing-slashes/blame/6a01ba8fd019bd3ece44879c553037ad96ba7d47/index.js%23L31 Broken Link Changed Reference Type https://snyk.io/vuln/SNYK-JS-KOAREMOVETRAILINGSLASHES-1085708 No Types Assigned https://snyk.io/vuln/SNYK-JS-KOAREMOVETRAILINGSLASHES-1085708 Exploit, Third Party Advisory Added CWE NIST CWE-601 Added CPE Configuration OR *cpe:2.3:a:koa-remove-trailing-slashes_project:koa-remove-trailing-slashes:*:*:*:*:*:node.js:*:* versions up to (excluding) 2.0.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-23384 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-23384
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.21 }} 0.02%
score
0.40076
percentile