CVE-2020-4731 Cross-site scripting in Aspera Shares

Medium 6.1 Published 21 Sep 2020 Updated 17 Sep 2024

Attackers can inject JavaScript into the IBM Aspera Shares web interface to steal credentials or alter functionality within trusted sessions.

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

What is CVE-2020-4731?

CVE-2020-4731 is a medium-severity cross-site scripting vulnerability in IBM Aspera Shares, published on 21 Sep 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

IBM Aspera Web Application 1.9.14 PL1 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 188055.

Weakness: CWE-79

Which versions are affected by CVE-2020-4731?

It affects 1 product.

Products include Ibm Aspera Shares.

How do I fix CVE-2020-4731?

No fix has been published for CVE-2020-4731 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-2020-4731 being exploited?

There is no known exploitation of CVE-2020-4731 in the wild and no public exploit code.

Sources

Also known as GHSA-fw54-qvjj-883j.