CVE-2021-21589 Privilege escalation in Unity

What is CVE-2021-21589?

CVE-2021-21589 is a medium-severity vulnerability in Dell Unity, published on 12 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Dell EMC Unity, Unity XT, and UnityVSA versions prior to 5.1.0.0.5.394 do not exit on failed Initialization. A local authenticated Service user could potentially exploit this vulnerability to escalate privileges.

Which versions are affected by CVE-2021-21589?

It affects 3 products.

Products include Dell Emc Unity Operating Environment, Dell Emc Unity Xt Operating Environment, Dell Emc Unityvsa Operating Environment.

How do I fix CVE-2021-21589?

No fix has been published for CVE-2021-21589 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-21589 being exploited?

There is no known exploitation of CVE-2021-21589 in the wild and no public exploit code.

Other vulnerabilities in Dell Unity

• 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-39g5-9mqc-jfj6.