Vulnerability Details : CVE-2021-2054
Vulnerability in the RDBMS Sharding component of Oracle Database Server. Supported versions that are affected are 12.2.0.1, 18c and 19c. Easily exploitable vulnerability allows high privileged attacker having Create Any Procedure, Create Any View, Create Any Trigger privilege with network access via Oracle Net to compromise RDBMS Sharding. Successful attacks of this vulnerability can result in takeover of RDBMS Sharding. CVSS 3.1 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).
Exploit prediction scoring system (EPSS) score for CVE-2021-2054
Probability of exploitation activity in the next 30 days: 2.60%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 89 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-2054
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST |
|
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
Oracle |
References for CVE-2021-2054
-
https://www.oracle.com/security-alerts/cpujan2021.html
Oracle Critical Patch Update Advisory - January 2021Vendor Advisory
-
https://www.zerodayinitiative.com/advisories/ZDI-21-083/
ZDI-21-083 | Zero Day InitiativeThird Party Advisory
Products affected by CVE-2021-2054
- cpe:2.3:a:oracle:rdbms_sharding:12.2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:rdbms_sharding:18c:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:rdbms_sharding:19c:*:*:*:*:*:*:*