description: Vulnerability in the Oracle Notification Server component of Oracle Database Server.  Supported versions that are affected are 19.3-19.20 and  21.3-21.11. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Oracle Notification Server executes to compromise Oracle Notification Server.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Oracle Notification Server accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
problem types: Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Oracle Notification Server executes to compromise Oracle Notification Server.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Oracle Notification Server accessible data.
affected:
{
vendor: Oracle Corporation
product: Database - Enterprise Edition
versions:
version: 19.3, status: affected, lessThanOrEqual: 19.20, versionType: custom
version: 21.3, status: affected, lessThanOrEqual: 21.11, versionType: custom
}
metrics:
cvssV3_1: [
attackVector: ADJACENT_NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: NONE
availabilityImpact: NONE
version: 3.1
vectorString: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
baseScore: 4.3
baseSeverity: MEDIUM
]