How severe is CVE-2020-14742?

CVE-2020-14742 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2020-14742 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14742?

CVE-2020-14742 primarily affects Oracle Core Rdbms. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-14742?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-14742 published?

CVE-2020-14742 was published on 2020-10-21 and last updated on 2026-06-17.

CVE-2020-14742

CVE-2020-14742 is a low-severity vulnerability in Oracle Core Rdbms with a CVSS 3.x base score of 2.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 3.x base score 2.7)
CVSS v2: 5.5
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Core Rdbms
Published: 2020-10-21
Last modified: 2026-06-17

Description

Vulnerability in the Core RDBMS component of Oracle Database Server. Supported versions that are affected are 11.2.0.4, 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having SYSDBA level account privilege with network access via Oracle Net to compromise Core RDBMS. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Core RDBMS accessible data. CVSS 3.1 Base Score 2.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N).

Frequently asked questions

What is CVE-2020-14742?: Vulnerability in the Core RDBMS component of Oracle Database Server. Supported versions that are affected are 11.2.0.4, 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having SYSDBA level account privilege with network access via Oracle Net to compromise Core RDBMS. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Core RDBMS accessible data. CVSS 3.1 Base Score 2.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N).
How severe is CVE-2020-14742?: CVE-2020-14742 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2020-14742 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14742?: CVE-2020-14742 primarily affects Oracle Core Rdbms. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-14742?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-14742 published?: CVE-2020-14742 was published on 2020-10-21 and last updated on 2026-06-17.

References

https://www.oracle.com/security-alerts/cpuoct2020.html

Affected products (5)

cpe:2.3:a:oracle:core_rdbms:11.2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:oracle:core_rdbms:12.1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:core_rdbms:12.2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:core_rdbms:18c:*:*:*:*:*:*:*
cpe:2.3:a:oracle:core_rdbms:19c:*:*:*:*:*:*:*

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