CVE-2019-3754 Cross-site scripting in Unity Operating Environment

What is CVE-2019-3754?

CVE-2019-3754 is a medium-severity cross-site scripting vulnerability in DELL EMC Unity Operating Environment, published on 3 Sep 2019. 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

Dell EMC Unity Operating Environment versions prior to 5.0.0.0.5.116, Dell EMC UnityVSA versions prior to 5.0.0.0.5.116 and Dell EMC VNXe3200 versions prior to 3.1.10.9946299 contain a reflected cross-site scripting vulnerability on the cas/logout page. A remote unauthenticated attacker could potentially exploit this vulnerability by tricking a victim application user to supply malicious HTML or Java Script code to Unisphere, which is then reflected back to the victim and executed by the web browser.

Weakness: CWE-79

Which versions are affected by CVE-2019-3754?

It affects 3 products.

Products include Dell Emc Unity Operating Environment, Dell Emc Unityvsa Operating Environment, Dell Emc Vnxe3200 Firmware.

How do I fix CVE-2019-3754?

No fix has been published for CVE-2019-3754 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-2019-3754 being exploited?

There is no known exploitation of CVE-2019-3754 in the wild and no public exploit code.

Other vulnerabilities in DELL EMC Unity Operating Environment

• CVE-2021-36294 Auth bypass in VNX Control Station Critical 9.8
• CVE-2021-36288 Path traversal in VNX2 High 8.6
• CVE-2021-36289 Information disclosure in VNX Control Station High 7.8
• CVE-2019-3741 Information disclosure in Unity High 7.8
• CVE-2018-11064 Privilege escalation in Dell EMC Unity High 7.8

Sources

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

Also known as GHSA-836g-4hmv-f4fc.