CVE-2021-25966: Orchard Core CMS - Improper Session Termination after Password Change

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-10-10 · updated 2026-06-17
Weakness: CWE-613

Description

In “Orchard core CMS” application, versions 1.0.0-beta1-3383 to 1.0.0 are vulnerable to an improper session termination after password change. When a password has been changed by the user or by an administrator, a user that was already logged in, will still have access to the application even after the password was changed.

Affected products

Orchardcore Orchard Core: 1.0.0, 1.0.0-beta1-3383

References

https://github.com/OrchardCMS/OrchardCore/blob/v1.0.0/src/OrchardCore.Modules/OrchardCore.Users/Controllers/ResetPasswordController.cs#L123
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25966
https://github.com/OrchardCMS/OrchardCore/blob/v1.0.0/src/OrchardCore.Modules/OrchardCore.Users/Controllers/ResetPasswordController.cs#L123
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25966

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