CVE-2021-2173

    Dashboard / Vulnerabilities / CVE-2021-2173

    CVE-2021-2173

    Published: 22 Apr 2021Last Modified: 10 Mar 2026

    Summary:

    Details: Vulnerability in the Recovery 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 DBA Level Account privilege with network access via Oracle Net to compromise Recovery. While the vulnerability is in Recovery, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Recovery accessible data. CVSS 3.1 Base Score 4.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N).

    References: http://packetstormsecurity.com/files/171344/Oracle-DB-Broken-PDB-Isolation-Metadata-Exposure.html, , https://www.oracle.com/security-alerts/cpuapr2021.html, https://github.com/emad-almousa/CVE-2021-2173

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-2173 | CVE-DB