Vulnerability Name:

CVE-2021-35551 (CCN-211628)

Assigned:2021-10-19
Published:2021-10-19
Updated:2022-07-12
Summary:Vulnerability in the RDBMS Security component of Oracle Database Server. Supported versions that are affected are 12.2.0.1, 19c and 21c. Easily exploitable vulnerability allows high privileged attacker having DBA privilege with network access via Oracle Net to compromise RDBMS Security. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of RDBMS Security as well as unauthorized update, insert or delete access to some of RDBMS Security accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): High
CVSS v2 Severity:5.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Partial
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:P/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Other
References:Source: MITRE
Type: CNA
CVE-2021-35551

Source: XF
Type: UNKNOWN
oracle-cpuoct2021-cve202135551(211628)

Source: CCN
Type: Oracle CPUOct2021
Oracle Critical Patch Update Advisory - October 2021

Source: MISC
Type: Patch, Vendor Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html

Vulnerable Configuration:Configuration 1:
  • cpe:/a:oracle:database:12.2.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:oracle:database:19c:*:*:*:*:*:*:*
  • OR cpe:/a:oracle:database:21c:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:oracle:database_server:12.2.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:oracle:database_server:19c:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    oracle database 12.2.0.1
    oracle database 19c
    oracle database 21c
    oracle database server 12.2.0.1
    oracle database server 19c