6.1
MEDIUM
CVE-2021-32645
Open Redirect Vulnerability in Laravel Tenancy Multi-Tenant
Description

Tenancy multi-tenant is an open source multi-domain controller for the Laravel web framework. In some situations, it is possible to have open redirects where users can be redirected from your site to any other site using a specially crafted URL. This is only the case for installations where the default Hostname Identification is used and the environment uses tenants that have `force_https` set to `true` (default: `false`). Version 5.7.2 contains the relevant patches to fix this bug. Stripping the URL from special characters to prevent specially crafted URL's from being redirected to. As a work around users can set the `force_https` to every tenant to `false`, however this may degrade connection security.

INFO

Published Date :

May 27, 2021, 5:15 p.m.

Last Modified :

Nov. 21, 2024, 6:07 a.m.

Remotely Exploitable :

Yes !

Impact Score :

2.7

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2021-32645 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.

ID Vendor Product Action
1 Tenancy multi-tenant
References to Advisories, Solutions, and Tools

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-2021-32645 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-32645 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/tenancy/multi-tenant/commit/9c837a21bccce9bcaeb90033ef200d84f0d9e164
    Added Reference https://github.com/tenancy/multi-tenant/security/advisories/GHSA-4r8q-gv9j-3xx6
    Added Reference https://packagist.org/packages/hyn/multi-tenant
    Added Reference https://webmasters.googleblog.com/2009/01/open-redirect-urls-is-your-site-being.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jun. 08, 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:C/C:L/I:L/A:N
    Changed Reference Type https://github.com/tenancy/multi-tenant/commit/9c837a21bccce9bcaeb90033ef200d84f0d9e164 No Types Assigned https://github.com/tenancy/multi-tenant/commit/9c837a21bccce9bcaeb90033ef200d84f0d9e164 Patch, Third Party Advisory
    Changed Reference Type https://github.com/tenancy/multi-tenant/security/advisories/GHSA-4r8q-gv9j-3xx6 No Types Assigned https://github.com/tenancy/multi-tenant/security/advisories/GHSA-4r8q-gv9j-3xx6 Mitigation, Third Party Advisory
    Changed Reference Type https://packagist.org/packages/hyn/multi-tenant No Types Assigned https://packagist.org/packages/hyn/multi-tenant Product, Third Party Advisory
    Changed Reference Type https://webmasters.googleblog.com/2009/01/open-redirect-urls-is-your-site-being.html No Types Assigned https://webmasters.googleblog.com/2009/01/open-redirect-urls-is-your-site-being.html Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:tenancy:multi-tenant:*:*:*:*:*:*:*:* versions from (including) 5.6.0 up to (excluding) 5.7.2
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-32645 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-2021-32645 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.28 }} 0.04%

score

0.49100

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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Latest DB Update: Jun. 13, 2025 10:22