CVE-2023-37520 HCL BigFix Platform is affected by Unathenticated Stored Cross-Site Scripting (XSS)

High 7.7 Published 21 Dec 2023 Updated 2 Aug 2024

Unauthenticated stored XSS in HCL BigFix Server allows attackers to execute scripts and potentially exfiltrate data via the Gather Status Report.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-37520?

CVE-2023-37520 is a high-severity cross-site scripting vulnerability in HCL BigFix Platform, published on 21 Dec 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability identified in BigFix Server version 9.5.12.68, allowing for potential data exfiltration. This XSS vulnerability is in the Gather Status Report, which is served by the BigFix Relay.

Weakness: CWE-79

Which versions are affected by CVE-2023-37520?

It affects 1 product.

Products include Hcltech Bigfix Platform.

How do I fix CVE-2023-37520?

No fix has been published for CVE-2023-37520 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-2023-37520 being exploited?

There is no known exploitation of CVE-2023-37520 in the wild and no public exploit code.

Sources

Also known as GHSA-hrwf-qr34-wrcx.