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CVE-2021-32645

21
FAUCET Score

CVE-2021-32645 is an open redirect vulnerability affecting the tenancy multi-tenant package for Laravel, allowing attackers to redirect users to arbitrary external sites via specially crafted URLs. This issue primarily impacts installations using default Hostname Identification with tenants configured for forced HTTPS. Rated Medium severity (CVSS 6.1), it requires user interaction (UI:R) and has low impact on confidentiality and integrity (C:L, I:L). There is no evidence of active exploitation, public exploit code, or significant community discussion regarding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.6.0, < 5.7.2CPE matchmatch criteria
cpe:2.3:a:tenancy:multi-tenant:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.02%
Probability of exploitation in next 30 days
EPSS Percentile
59.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0102 is in the 72nd percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: hyn/multi-tenantFixed in: 5.7.2
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-4r8q-gv9j-3xx6medium

Open Redirect

Mar 18, 2022

References

github.com / tenancy/multi-tenant/commit/9c837a21bccce9bcaeb90033ef200d84f0d9e164
PatchThird Party Advisory
github.com / tenancy/multi-tenant/security/advisories/GHSA-4r8q-gv9j-3xx6
MitigationThird Party Advisory
packagist.org / packages/hyn/multi-tenant
ProductThird Party Advisory
webmasters.googleblog.com / 2009/01/open-redirect-urls-is-your-site-being.html
Third Party Advisory