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SummaryUnauthorized users were potentially able to modify the recipients of mail notifications on revocation.
Advisory Release Date



Terms of Use

Linchpin Intranet Suite

Affected Versions

Linchpin Intranet Suite 5.1.0 and all prior versions

Terms of Use 1.9.9 and all prior versions

Fixed Versions

Linchpin Intranet Suite 5.1.1

Terms of Use 1.9.10


Our Terms of Use app offers the possibility to notify a list of users once a user revokes the terms of use. In an internal security audit, we noticed that unauthorized users were potentially able to modify the list of people who get notified in such an event.

Affected are the apps Terms of Use up to and including version 1.9.9 and the Linchpin Intranet Suite up to and including version 5.1.0.


The vulnerability is rated as 6.5 according to CVSS. The score is calculated as CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.


For Terms of Use customers: Update to Terms of Use version 1.9.10 or later.

For Linchpin Suite customers: Update to Linchpin Suite 5.1.1 or later.

Should you be unable to update the Linchpin Intranet Suite to one of the listed versions, please reach out to our support team at

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This page was last edited on 10/15/2021.