CVE-2021-2173
Oracle Database Server Recovery Unauthorized Read Access Vulnerability
Description
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).
INFO
Published Date :
April 22, 2021, 10:15 p.m.
Last Modified :
Nov. 21, 2024, 6:02 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Apply the appropriate patch according to the April 2021 Oracle Critical Patch Update advisory.
Public PoC/Exploit Available at Github
CVE-2021-2173 has a 8 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-2173.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/171344/Oracle-DB-Broken-PDB-Isolation-Metadata-Exposure.html | |
| https://github.com/emad-almousa/CVE-2021-2173 | Exploit Third Party Advisory |
| https://www.oracle.com/security-alerts/cpuapr2021.html | Patch Vendor Advisory |
| http://packetstormsecurity.com/files/171344/Oracle-DB-Broken-PDB-Isolation-Metadata-Exposure.html | |
| https://github.com/emad-almousa/CVE-2021-2173 | Exploit Third Party Advisory |
| https://www.oracle.com/security-alerts/cpuapr2021.html | Patch Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-2173 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-2173
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
All CVE - PoC in GitHub
poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate
None
None
None
None
None
CVE-2021-2173
Automatic monitor github cve using Github Actions
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-2173 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-2173 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/171344/Oracle-DB-Broken-PDB-Isolation-Metadata-Exposure.html Added Reference https://github.com/emad-almousa/CVE-2021-2173 Added Reference https://www.oracle.com/security-alerts/cpuapr2021.html -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 15, 2023
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/171344/Oracle-DB-Broken-PDB-Isolation-Metadata-Exposure.html [No Types Assigned] -
Modified Analysis by [email protected]
Dec. 02, 2021
Action Type Old Value New Value Changed Reference Type https://github.com/emad-almousa/CVE-2021-2173 No Types Assigned https://github.com/emad-almousa/CVE-2021-2173 Exploit, Third Party Advisory -
CVE Modified by [email protected]
Jun. 18, 2021
Action Type Old Value New Value Added Reference https://github.com/emad-almousa/CVE-2021-2173 [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 23, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:N/A:N) Changed Reference Type https://www.oracle.com/security-alerts/cpuapr2021.html No Types Assigned https://www.oracle.com/security-alerts/cpuapr2021.html Patch, Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:oracle:database_server:12.1.0.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:database_server:12.2.0.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:database_server:18c:*:*:*:*:*:*:* *cpe:2.3:a:oracle:database_server:19c:*:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 4.1
Base CVSS Score: 4
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.44 }} -4.38%
score
0.60079
percentile