CVE-2020-2512

MEDIUM

Oracle Database Server <=19c - Unauthenticated DoS in Database Gateway for ODBC

Title source: llm
STIX 2.1

Description

Vulnerability in the Database Gateway for ODBC 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. Difficult to exploit vulnerability allows unauthenticated attacker with network access via OracleNet to compromise Database Gateway for ODBC. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Database Gateway for ODBC. CVSS 3.0 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujan2020.html

Scores

CVSS v3 5.9
EPSS 0.0147
EPSS Percentile 70.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (5)
oracle/database_server 11.2.0.4
oracle/database_server 12.1.0.2
oracle/database_server 12.2.0.1
oracle/database_server 18c
oracle/database_server 19c
Published Jan 15, 2020
Tracked Since Feb 18, 2026