CVE-2020-2734
Vulnerability in the RDBMS/Optimizer component of Oracle Database Server.
Does this matter?
Lower severity and a low EPSS score (0.89%). Track it; it rarely justifies an emergency change on its own.
Description
Vulnerability in the RDBMS/Optimizer component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having Execute on DBMS_SQLTUNE privilege with network access via Oracle Net to compromise RDBMS/Optimizer. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of RDBMS/Optimizer accessible data. CVSS 3.0 Base Score 2.4 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N).
- CVSS 3.1
- 2.4 LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N
- EPSS
- 0.89% probability · 59th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- oracle/database server
- Source
- secalert_us@oracle.com
EPSS 0.9% 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.
References
- https://www.oracle.com/security-alerts/cpuapr2020.htmlVendor Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.