CVE Vulnerability

CVE-2021-43803

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/vercel/next.js/releases/v12.0.5 Release Notes 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/commit/6d98b4fb4315dec1badecf0e9bdc212a4272b264 Patch Third Party Advisory
https://github.com/vercel/next.js/security/advisories/GHSA-25mp-g6fv-mqxx Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*
cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*
Information

Published : 2021-12-10 12:15

Updated : 2022-02-17 03:55

NVD link : CVE-2021-43803

Mitre link : CVE-2021-43803

Products Affected
No products.
CWE
NVD-CWE-noinfo