VDB-152442 · CVE-2020-5284 · GHSA-fq77-7p7r-83rj

Next.js up to 9.3.1 path traversal

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.6	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Next.js up to 9.3.1. This issue affects some unknown processing. The manipulation results in path traversal. This vulnerability is reported as CVE-2020-5284. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Next.js up to 9.3.1 (JavaScript Library). Affected is an unknown part. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-23. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Next.js versions before 9.3.2 have a directory traversal vulnerability. Attackers could craft special requests to access files in the dist directory (.next). This does not affect files outside of the dist directory (.next). In general, the dist directory only holds build assets unless your application intentionally stores other assets under this directory. This issue is fixed in version 9.3.2.

The weakness was disclosed 03/30/2020 (GitHub Repository). The advisory is available at github.com. This vulnerability is traded as CVE-2020-5284 since 01/02/2020. The exploitability is told to be difficult. It is possible to launch the attack remotely. A authentication is necessary for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Upgrading to version 9.3.2 eliminates this vulnerability.

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Productinfo

Type

JavaScript Library

Name

Next.js

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

CNA Base Score: 4.4
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-23 / CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Next.js 9.3.2

Timelineinfo

01/02/2020 🔍
03/30/2020 +88 days 🔍
03/31/2020 +1 days 🔍
05/10/2025 +1866 days 🔍

Sourcesinfo

Advisory: GHSA-fq77-7p7r-83rj
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-5284 (🔍)
GCVE (CVE): GCVE-0-2020-5284
GCVE (VulDB): GCVE-100-152442

Entryinfo

Created: 03/31/2020 10:40
Updated: 05/10/2025 02:07
Changes: 03/31/2020 10:40 (37), 03/31/2020 10:45 (12), 10/05/2020 10:19 (1), 05/12/2024 12:45 (18), 05/12/2024 12:52 (19), 05/10/2025 02:07 (6)
Complete: 🔍
Cache ID: 216::103