CVE-2021-27768 An SSL certificate host verification vulnerability affects HCL Verse for Android

Medium 6.3 Published 12 May 2022 Updated 16 Sep 2024

Attackers can intercept sensitive account information via Man-in-the-Middle attacks due to missing SSL hostname verification in the HCL Verse Android application.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-27768?

CVE-2021-27768 is a medium-severity vulnerability in HCL Software Verse for Android, published on 12 May 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Using the ability to perform a Man-in-the-Middle (MITM) attack, which indicates a lack of hostname verification, sensitive account information was able to be intercepted. In this specific scenario, the application's network traffic was intercepted using a proxy server set up in 'transparent' mode while a certificate with an invalid hostname was active. The Android application was found to have hostname verification issues during the server setup and login flows; however, the application did not process requests post-login.

Weakness: CWE-295, CWE-300

Which versions are affected by CVE-2021-27768?

It affects 1 product.

Products include Hcltech Verse.

How do I fix CVE-2021-27768?

No fix has been published for CVE-2021-27768 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-27768 being exploited?

There is no known exploitation of CVE-2021-27768 in the wild and no public exploit code.

Sources

Also known as GHSA-v5hf-q535-5h32.