CVE-2021-1999: Vulnerability in the Oracle ZFS Storage Appliance Kit product of Oracle Systems (component: RAS subsystems). The supported version that is affected is...

Description

Vulnerability in the Oracle ZFS Storage Appliance Kit product of Oracle Systems (component: RAS subsystems). The supported version that is affected is 8.8. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle ZFS Storage Appliance Kit executes to compromise Oracle ZFS Storage Appliance Kit. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle ZFS Storage Appliance Kit, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle ZFS Storage Appliance Kit accessible data. CVSS 3.1 Base Score 5.0 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N).

Metrics

CVSS 3.1

5/10

CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N

EPSS Probability

0.32%

24.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Oracle	Enterprise Manager Ops Center	12.4.0.0
Oracle	Hyperion Infrastructure Technology	11.1.2.4
Oracle	Zfs Storage Appliance	8.8

References

https://www.oracle.com/security-alerts/cpujan2021.htmlVendor Advisory
https://www.oracle.com/security-alerts/cpujan2021.htmlVendor Advisory

Timeline

Published: Jan 20, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-1999?

Vulnerability in the Oracle ZFS Storage Appliance Kit product of Oracle Systems (component: RAS subsystems). The supported version that is affected is 8.8. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle ZFS Storage Appliance Kit executes to compromise Oracle ZFS Storage Appliance Kit. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle ZFS Storage Appliance Kit, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle ZFS Storage Appliance Kit accessible data. CVSS 3.1 Base Score 5.0 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N).

How severe is CVE-2021-1999?

CVE-2021-1999 has a CVSS score of 5/10 (MEDIUM severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2021-1999?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.