Vulnerability in Oracle Database Server
CVE-2021-2173
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).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.014 (70.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Oracle Database Server — versions 12.1.0.2, 12.2.0.1, 18c
- Oracle Corporation Database - Enterprise Edition — versions 12.1.0.2, 12.2.0.1, 18c
Public proof-of-concept exploits
References
- www.oracle.com/security-alerts/cpuapr2021.html (Patch, Vendor Advisory)
- github.com/emad-almousa/CVE-2021-2173 (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/171344/Oracle-DB-Broken-PDB-Isolation-Metadata-Ex…
Frequently asked questions
- What is CVE-2021-2173?
- CVE-2021-2173 is a medium-severity vulnerability in Oracle Database Server. CVSS score: 4.1/10. Published 2021-04-22.
- How severe is CVE-2021-2173?
- Medium severity. CVSS v3 base score is 4.1 out of 10.
- Is CVE-2021-2173 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.