CVE-2025-62320

HTML Injection Leading to Data Exfiltration to External Server vulnerability affects HCL Unica Platform

HTML Injection can be carried out in Product when a web application does not properly check or clean user input before showing it on a webpage. Because of this, an attacker may insert unwanted HTML code into the page. When the browser loads the page, it may automatically interact with external resources included in that HTML, which can cause unexpected requests from the user’s browser.

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime Unica Unica Audience Central and 7 more

CVE-2026-21791

HCL Sametime for Android is affected by sensitive information disclosure

HCL Sametime for Android is impacted by a sensitive information disclosure. Hostnames information is written in application logs and certain URL

CVSS 3.1 · 3.3 Low EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime

CVE-2026-21786

HCL Sametime for iOS is affected by sensitive information disclosure

HCL Sametime for iOS is impacted by a sensitive information disclosure. Hostnames information is written in application logs and certain URLs.

CVSS 3.1 · 3.3 Low EPSS < 1% KEV · Not listed

Vendors

Hclsoftware Hcltech

Products

Sametime For Ios Sametime

CVE-2025-31966

Boolean-Based SQL Injection in Multiple Unica Components

HCL Sametime is vulnerable to broken server-side validation. While the application performs client-side input checks, these are not enforced by the web server. An attacker can bypass these restrictions by sending manipulated HTTP requests directly to the server.

CVSS 3.1 · 2.7 Low EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime

CVE-2023-37540

HCL Sametime Chat is affected by an unimplemented feature in the UI

Sametime Connect desktop chat client includes, but does not use or require, the use of an Eclipse feature called Secure Storage. Using this Eclipse feature to store sensitive data can lead to exposure of that data.

CVSS 3.1 · 3.9 Low EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime

CVE-2024-30124

HCL Sametime is impacted by insecure services

HCL Sametime is impacted by insecure services in-use on the UIM client by default. An unused legacy REST service was enabled by default using the HTTP protocol. An attacker could potentially use this service endpoint maliciously.

CVSS 3.1 · 4 Medium EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime

CVE-2023-50349

HCL Sametime is impacted by a Cross Site Request Forgery (CSRF) vulnerability

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.

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime

CVE-2023-45718

HCL Sametime is impacted by a failure to invalidate sessions

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.  

CVSS 3.1 · 3.9 Low EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime

CVE-2023-45716

HCL Sametime is impacted by a sensitive information disclosure

Sametime is impacted by sensitive information passed in URL.

CVSS 3.1 · 1.7 Low EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime

CVE-2023-45696

HCL Sametime is impacted by an autocomplete enabled vulnerability

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.

CVSS 3.1 · 4 Medium EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime

CVE-2022-42446

HCL Sametime 12.0 and 12.0FP1 anonymous users have directory lookup access

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.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime

CVE-2024-30122

HCL Sametime is impacted by misconfigured security related HTTP headers

HCL Sametime is impacted by misconfigured security related HTTP headers. It was identified that some HTTP headers were missing on web service responses. This will lead to less secure browser default treatment for the policies controlled by these headers.

CVSS 3.1 · 5.8 Medium EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime

CVE-2023-45698

HCL Sametime is impacted by clickjacking

Sametime is impacted by lack of clickjacking protection in Outlook add-in. The application is not implementing appropriate protections in order to protect users from clickjacking attacks.

CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime Chat And Meetings

CVE-2021-27773

HCL Sametime is vulnerable to clickjacking

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

CVSS 3.1 · 4.2 Medium EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime

CVE-2021-27772

HCL Sametime is vulnerable to an information disclosure

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 information leakage where confidential information discussed in private groups is read by other users without the users knowledge.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime

CVE-2021-27771

HCL Sametime is susceptible a file transfer service vulnerability

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, receiving notifications and/or transferring files.

CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime

CVE-2021-27770

HCL Sametime is vulnerable to arbitrary HTTP requests

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.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime

CVE-2021-27769

HCL Sametime is vulnerable to an information disclosure

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 limited whenever possible.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime

CVE-2023-50355

HCL Sametime is impacted by generation of error messages containing sensitive information

HCL Sametime is impacted by the error messages containing sensitive information. An attacker can use this information to launch another, more focused attack.

CVSS 3.1 · 3.6 Low EPSS < 1% KEV · Not listed

Vendors

Hcltech

Products

Sametime