Vulnerability in the Oracle ZFS Storage Appliance Kit product of Oracle Systems (component: RAS subsystems).

published 2021-01-20 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-7463

cvss: 5.0; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits: 0; none known

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).

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-09-26)

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.0	CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N
NVD	2.0	1.2	AV:L/AC:H/Au:N/C:N/I:P/A:N

Affected products

Oracle Corporation Sun ZFS Storage Appliance Kit (AK) Software

References

oracle.com /security-alerts/cpujan2021.html
vendor-advisory

Sources

CVE List CVE-2021-1999
NVD CVE-2021-1999

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Summary