How severe is CVE-2021-1999?

CVE-2021-1999 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-1999 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-1999?

CVE-2021-1999 primarily affects Oracle Enterprise Manager Ops Center. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-1999?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-1999 published?

CVE-2021-1999 was published on 2021-01-20 and last updated on 2026-06-17.

CVE-2021-1999

CVE-2021-1999 is a medium-severity vulnerability in Oracle Enterprise Manager Ops Center with a CVSS 3.x base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
CVSS v2: 1.2
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Enterprise Manager Ops Center
Published: 2021-01-20
Last modified: 2026-06-17

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).

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 3.x base score of 5.0, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-1999 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-1999?: CVE-2021-1999 primarily affects Oracle Enterprise Manager Ops Center. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-1999?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-1999 published?: CVE-2021-1999 was published on 2021-01-20 and last updated on 2026-06-17.

References

https://www.oracle.com/security-alerts/cpujan2021.html

Affected products (3)

cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:hyperion_infrastructure_technology:11.1.2.4:*:*:*:*:*:*:*
cpe:2.3:o:oracle:zfs_storage_appliance:8.8:*:*:*:*:*:*:*

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