CVE-2021-25966

Name: CVE-2021-25966
Creator: NVD / NIST
Published: 2021-10-10T10:15:07.27+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.02%

Last modified Jun 17, 2026

CVE-2021-25966 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 1.02% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.02%

59.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Orchardcore	Orchard Core	1.0.0

References

https://github.com/OrchardCMS/OrchardCore/blob/v1.0.0/src/OrchardCore.Modules/OrchardCore.Users/Controllers/ResetPasswordController.cs#L123Exploit, Third Party Advisory
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25966Third Party Advisory
https://github.com/OrchardCMS/OrchardCore/blob/v1.0.0/src/OrchardCore.Modules/OrchardCore.Users/Controllers/ResetPasswordController.cs#L123Exploit, Third Party Advisory
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25966Third Party Advisory

Timeline

Published: Oct 10, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-25966?

How severe is CVE-2021-25966?

CVE-2021-25966 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.02% probability of exploitation in the next 30 days.

How do I fix CVE-2021-25966?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-25966?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST