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CVE-2021-1999

Vulnerability in the Oracle ZFS Storage Appliance Kit product of Oracle Systems (component: RAS subsystems). The supported version that is…

Medium5.0EPSS 0.33%
Published
Updated
Reserved
Assigned by
oracle

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).

Timeline

  1. ID reserved

    By oracle

  2. · 42 days later

    Published

  3. · 4 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2021-1999, by who scored it
Scored byCVSSScoreVector
oracleCNA (assigner)3.1Medium5.0CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N
NVDNVD · Modified3.1Medium5.0CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N
EPSS (exploitation in 30 days)
0.33% · top 74% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

  • 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.

Affected products

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .