SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-1993

Vulnerability in the Java VM component of Oracle Database Server.

MEDIUM 4.8EPSS 0.82%

Does this matter?

Lower severity and a low EPSS score (0.82%). Track it; it rarely justifies an emergency change on its own.

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).

CVSS 3.1
4.8 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N
EPSS
0.82% probability · 57th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
oracle/database server · oracle/enterprise manager ops center · oracle/hyperion infrastructure technology · oracle/zfs storage appliance
Source
secalert_us@oracle.com
EPSS trend
0%3%5%26 October 2026: 0.82%26 October 202626 October 2026

EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.