CVE-2021-43803
Next.js Server Crash Due to Malformed URLs
Description
Next.js is a React framework. In versions of Next.js prior to 12.0.5 or 11.1.3, invalid or malformed URLs could lead to a server crash. In order to be affected by this issue, the deployment must use Next.js versions above 11.1.0 and below 12.0.5, Node.js above 15.0.0, and next start or a custom server. Deployments on Vercel are not affected, along with similar environments where invalid requests are filtered before reaching Next.js. Versions 12.0.5 and 11.1.3 contain patches for this issue.
INFO
Published Date :
Dec. 10, 2021, 12:15 a.m.
Last Modified :
Nov. 21, 2024, 6:29 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-43803 has a 1 public PoC/Exploit
available at Github.
Go to the Public Exploits
tab to see the list.
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-2021-43803
.
URL | Resource |
---|---|
https://github.com/vercel/next.js/commit/6d98b4fb4315dec1badecf0e9bdc212a4272b264 | Patch Third Party Advisory |
https://github.com/vercel/next.js/pull/32080 | Patch Third Party Advisory |
https://github.com/vercel/next.js/releases/tag/v11.1.3 | Release Notes Third Party Advisory |
https://github.com/vercel/next.js/releases/v12.0.5 | Release Notes Third Party Advisory |
https://github.com/vercel/next.js/security/advisories/GHSA-25mp-g6fv-mqxx | Patch Third Party Advisory |
https://github.com/vercel/next.js/commit/6d98b4fb4315dec1badecf0e9bdc212a4272b264 | Patch Third Party Advisory |
https://github.com/vercel/next.js/pull/32080 | Patch Third Party Advisory |
https://github.com/vercel/next.js/releases/tag/v11.1.3 | Release Notes Third Party Advisory |
https://github.com/vercel/next.js/releases/v12.0.5 | Release Notes Third Party Advisory |
https://github.com/vercel/next.js/security/advisories/GHSA-25mp-g6fv-mqxx | Patch 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).
Набор скриптов для парсинга агрегаторов уязвимостей и выгрузки информации в YouTrack
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-43803
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-43803
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/vercel/next.js/commit/6d98b4fb4315dec1badecf0e9bdc212a4272b264 Added Reference https://github.com/vercel/next.js/pull/32080 Added Reference https://github.com/vercel/next.js/releases/tag/v11.1.3 Added Reference https://github.com/vercel/next.js/releases/v12.0.5 Added Reference https://github.com/vercel/next.js/security/advisories/GHSA-25mp-g6fv-mqxx -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Mar. 12, 2024
Action Type Old Value New Value Changed CPE Configuration AND OR *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 11.1.0 up to (excluding) 11.1.3 *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 12.0.0 up to (excluding) 12.0.5 OR cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* versions from (excluding) 15.0.0 AND OR *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 11.1.0 up to (excluding) 11.1.3 *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 12.0.0 up to (excluding) 12.0.5 OR cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:* versions from (excluding) 15.0.0 -
Reanalysis by [email protected]
Jan. 30, 2024
Action Type Old Value New Value Removed CPE Configuration AND cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* versions from (including) 15.0.0 *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 11.1.0 up to (excluding) 11.1.3 *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 12.0.0 up to (excluding) 12.0.5 -
Reanalysis by [email protected]
Jan. 29, 2024
Action Type Old Value New Value Added CPE Configuration AND OR *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 11.1.0 up to (excluding) 11.1.3 *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 12.0.0 up to (excluding) 12.0.5 OR cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* versions from (excluding) 15.0.0 -
Reanalysis by [email protected]
Feb. 17, 2022
Action Type Old Value New Value Changed CPE Configuration AND *cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* versions from (including) 15.0.0 *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 11.1.0 up to (excluding) 11.1.3 *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 12.0.0 up to (excluding) 12.0.5 AND cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* versions from (including) 15.0.0 *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 11.1.0 up to (excluding) 11.1.3 *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 12.0.0 up to (excluding) 12.0.5 -
Reanalysis by [email protected]
Jan. 13, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* versions from (including) 15.0.0 *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 11.1.0 up to (excluding) 11.1.3 *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 12.0.0 up to (excluding) 12.0.5 AND *cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* versions from (including) 15.0.0 *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 11.1.0 up to (excluding) 11.1.3 *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 12.0.0 up to (excluding) 12.0.5 -
Initial Analysis by [email protected]
Dec. 15, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Changed Reference Type https://github.com/vercel/next.js/commit/6d98b4fb4315dec1badecf0e9bdc212a4272b264 No Types Assigned https://github.com/vercel/next.js/commit/6d98b4fb4315dec1badecf0e9bdc212a4272b264 Patch, Third Party Advisory Changed Reference Type https://github.com/vercel/next.js/pull/32080 No Types Assigned https://github.com/vercel/next.js/pull/32080 Patch, Third Party Advisory Changed Reference Type https://github.com/vercel/next.js/releases/tag/v11.1.3 No Types Assigned https://github.com/vercel/next.js/releases/tag/v11.1.3 Release Notes, Third Party Advisory Changed Reference Type https://github.com/vercel/next.js/releases/v12.0.5 No Types Assigned https://github.com/vercel/next.js/releases/v12.0.5 Release Notes, Third Party Advisory Changed Reference Type https://github.com/vercel/next.js/security/advisories/GHSA-25mp-g6fv-mqxx No Types Assigned https://github.com/vercel/next.js/security/advisories/GHSA-25mp-g6fv-mqxx Patch, Third Party Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* versions from (including) 15.0.0 *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 11.1.0 up to (excluding) 11.1.3 *cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:* versions from (including) 12.0.0 up to (excluding) 12.0.5
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-43803
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-2021-43803
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.31 }} 0.08%
score
0.69609
percentile