CVE-2021-20559 Cross-site scripting in Control Desk

What is CVE-2021-20559?

CVE-2021-20559 is a medium-severity cross-site scripting vulnerability in IBM Control Desk, published on 10 May 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

IBM Control Desk 7.6.1.2 and 7.6.1.3 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: 199228.

Weakness: CWE-79

Which versions are affected by CVE-2021-20559?

It affects 1 product.

Products include Ibm Control Desk.

How do I fix CVE-2021-20559?

No fix has been published for CVE-2021-20559 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-2021-20559 being exploited?

There is no known exploitation of CVE-2021-20559 in the wild and no public exploit code.

Other vulnerabilities in IBM Control Desk

• CVE-2020-4409 Open redirect in Maximo Asset Management Medium 6.8
• CVE-2018-2028 Open redirect in Maximo Asset Management Medium 6.5
• CVE-2019-4644 Cross-site scripting in Maximo Asset Management Medium 6.1
• CVE-2019-4364 Code injection in Maximo Asset Management Medium 5.5
• CVE-2019-4446 Missing authorization in Maximo Asset Management Medium 5.4

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-3qr3-52j3-m3gp.