CVE-2020-4082 Cross-site scripting in "HCL Connections"

Medium 5.4 Published 5 Mar 2020 Updated 4 Aug 2024

Remote attackers can execute scripts in victims' browsers via crafted URLs to steal authentication credentials in HCL Connections.

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-2020-4082?

CVE-2020-4082 is a medium-severity cross-site scripting vulnerability in "HCL Connections", published on 5 Mar 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

The HCL Connections 5.5 help system is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.

Weakness: CWE-79

Which versions are affected by CVE-2020-4082?

It affects 1 product.

Products include Hcltech Connections.

How do I fix CVE-2020-4082?

No fix has been published for CVE-2020-4082 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2020-4082 being exploited?

There is no known exploitation of CVE-2020-4082 in the wild and no public exploit code.

Sources

Also known as GHSA-5wg4-rfc2-hgh3.