Sametime Security Vulnerabilities

CVE-2021-27769

Information leakage occurs when a website reveals information that could aid an attacker to further exploit the system. This information may or may not be sensitive and does not automatically mean a breach is likely to occur. Overall, any information that could be used for an attack should be limit...

CVE-2021-27770

The vulnerability was discovered within the “FaviconService”. The service takes a base64-encoded URL which is then requested by the webserver. We assume this service is used by the “meetings”-function where users can specify an external URL where the online meeting will take place.

CVE-2021-27771

User SID can be modified resulting in an Arbitrary File Upload or deletion of directories causing a Denial of Service. When interacting in a normal matter with the Sametime chat application, users hold a cookie containing their session ID (SID). This value is also used when sending chat messages, r...

CVE-2021-27772

Users are able to read group conversations without actively taking part in them. Next to one to one conversations, users are able to start group conversations with multiple users. It was found possible to obtain the contents of these group conversations without being part of it. This could lead to ...

CVE-2021-27773

This vulnerability allows users to execute a clickjacking attack in the meeting's chat.

CVE-2022-42446

Starting with Sametime 12, anonymous users are enabled by default. After logging in as an anonymous user, one has the ability to browse the User Directory and potentially create chats with internal users.

CVE-2023-45696

Sametime is impacted by sensitive fields with autocomplete enabled in the Legacy web chat client. By default, this allows user entered data to be stored by the browser.

CVE-2023-45716

Sametime is impacted by sensitive information passed in URL.

CVE-2023-45718

Sametime is impacted by a failure to invalidate sessions. The application is setting sensitive cookie values in a persistent manner in Sametime Web clients. When this happens, cookie values can remain valid even after a user has closed out their session.

CVE-2023-50349

Sametime is impacted by a Cross Site Request Forgery (CSRF) vulnerability. Some REST APIs in the Sametime Proxy application can allow an attacker to perform malicious actions on the application.