CVE-2021-2330
CVE-2021-2330 is a medium-severity vulnerability in Oracle Core Rdbms with a CVSS 3.x base score of 4.3. 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 4.3)
- CVSS v2: 4.0
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Oracle Core Rdbms
- Published:
- Last modified:
Description
Vulnerability in the Core RDBMS component of Oracle Database Server. The supported version that is affected is 19c. Easily exploitable vulnerability allows low privileged attacker having Create Table privilege with network access via Oracle Net to compromise Core RDBMS. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Core RDBMS. CVSS 3.1 Base Score 4.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L).
Frequently asked questions
- What is CVE-2021-2330?
- Vulnerability in the Core RDBMS component of Oracle Database Server. The supported version that is affected is 19c. Easily exploitable vulnerability allows low privileged attacker having Create Table privilege with network access via Oracle Net to compromise Core RDBMS. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Core RDBMS. CVSS 3.1 Base Score 4.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L).
- How severe is CVE-2021-2330?
- CVE-2021-2330 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2021-2330 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-2330?
- CVE-2021-2330 affects Oracle Core Rdbms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-2330?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-2330 published?
- CVE-2021-2330 was published on 2021-07-21 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:oracle:core_rdbms:19c:*:*:*:*:*:*:*
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