CVE-2021-1993 Vulnerability in the Java VM component of Oracle Database Server.

What is CVE-2021-1993?

CVE-2021-1993 is a medium-severity vulnerability in Oracle Database Server, published on 20 Jan 2021.

Official description

Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Difficult to exploit vulnerability allows low privileged attacker having Create Session privilege with network access via Oracle Net to compromise Java VM. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Java VM accessible data. CVSS 3.1 Base Score 4.8 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N).

Which versions are affected by CVE-2021-1993?

It affects 4 products.

Products include Oracle Database Server, Oracle Enterprise Manager Ops Center, Oracle Hyperion Infrastructure Technology, Oracle Zfs Storage Appliance.

How do I fix CVE-2021-1993?

No fix has been published for CVE-2021-1993 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-1993 being exploited?

There is no known exploitation of CVE-2021-1993 in the wild and no public exploit code.

Other vulnerabilities in Oracle Database Server

• CVE-2015-4863 Other in n/a Critical 10.0
• CVE-2013-1534 Other in n/a Critical 10.0
• CVE-2010-0071 Other in n/a Critical 10.0
• CVE-2009-1979 Other in n/a Critical 10.0
• CVE-2009-1985 Other in n/a Critical 10.0

All Oracle Database Server vulnerabilities

Sources

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

Also known as GHSA-2mj9-chm4-g5pj.