CVE-2023-21934

CVE-2023-21934 is a medium-severity vulnerability in Oracle Database with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 19c and 21c. Difficult to exploit vulnerability allows low privileged attacker having User Account privilege with network access via TLS to compromise Java VM. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Java VM accessible data as well as unauthorized access to critical data or complete access to all Java VM accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N).

Frequently asked questions

What is CVE-2023-21934?
Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 19c and 21c. Difficult to exploit vulnerability allows low privileged attacker having User Account privilege with network access via TLS to compromise Java VM. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Java VM accessible data as well as unauthorized access to critical data or complete access to all Java VM accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N).
How severe is CVE-2023-21934?
CVE-2023-21934 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-21934 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-21934?
CVE-2023-21934 primarily affects Oracle Database. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-21934?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-21934 published?
CVE-2023-21934 was published on 2023-04-18 and last updated on 2026-06-17.

References

Affected products (2)

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