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CVE-2020-15242

MEDIUM
Published 2020-10-08T19:50:12
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CVSS Score

V3.1
4.7
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.438
Higher than 43.8% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED

Impact Metrics

Confidentiality
LOW
Integrity
NONE
Availability
NONE

Description

Next.js versions >=9.5.0 and <9.5.4 are vulnerable to an Open Redirect. Specially encoded paths could be used with the trailing slash redirect to allow an open redirect to occur to an external site. In general, this redirect does not directly harm users although can allow for phishing attacks by redirecting to an attackers domain from a trusted domain. The issue is fixed in version 9.5.4.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

vercel

next.js

Affected Versions:

>= 9.5.0, <9.5.4

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

Open Redirect in Next.js versions

GHSA-x56p-c8cg-q435

Advisory Details

### Impact - **Affected**: Users of Next.js between 9.5.0 and 9.5.3 - **Not affected**: Deployments on Vercel ([https://vercel.com](https://vercel.com)) are not affected - **Not affected**: Deployments using `next export` We recommend everyone to upgrade regardless of whether you can reproduce the issue or not. ### Patches https://github.com/vercel/next.js/releases/tag/v9.5.4 ### References https://github.com/vercel/next.js/releases/tag/v9.5.4

Affected Packages

npm next
ECOSYSTEM: ≥9.5.0 <9.5.4

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

References

WEB https://github.com/vercel/next.js/security/advisories/GHSA-x56p-c8cg-q435
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-15242
PACKAGE https://github.com/vercel/next.js
WEB https://github.com/zeit/next.js/releases/tag/v9.5.4

Advisory provided by GitHub Security Advisory Database. Published: October 8, 2020, Modified: October 6, 2021

References

https://github.com/vercel/next.js/security/advisories/GHSA-x56p-c8cg-q435
https://github.com/zeit/next.js/releases/tag/v9.5.4
Published: 2020-10-08T19:50:12
Last Modified: 2024-08-04T13:08:23.211Z
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