// For flags

CVE-2021-2303

Oracle OSS Support Tools Diagnostic Assistant XML External Entity Processing Information Disclosure Vulnerability

Severity Score

4.9
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

Vulnerability in the OSS Support Tools product of Oracle Support Tools (component: Diagnostic Assistant). The supported version that is affected is Prior to 2.12.41. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise OSS Support Tools. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all OSS Support Tools accessible data. CVSS 3.1 Base Score 4.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N).

Una vulnerabilidad en el producto OSS Support Tools de Oracle Support Tools (componente: Diagnostic Assistant). La versión compatible que está afectada es versiones anteriores a 2.12.41. Una vulnerabilidad fácilmente explotable permite a un atacante muy privilegiado con acceso a la red por medio de HTTP comprometer a OSS Support Tools. Los ataques con éxito de esta vulnerabilidad pueden resultar en un acceso no autorizado a datos críticos o acceso completo a todos los datos accesibles de OSS Support Tools. CVSS 3.1 Puntuación Base 4.9 (Impactos en la Confidencialidad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N)

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Oracle OSS Support Tools. Authentication is required to exploit this vulnerability.
The specific flaw exists within the Diagnostic Assistant component. Due to the improper restriction of XML External Entity (XXE) references, a crafted document specifying a URI causes the XML parser to access the URI and embed the contents back into the XML document for further processing. An attacker can leverage this vulnerability to disclose information in the context of the service account.

*Credits: Quynh Le of VNPT ISC
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2020-12-09 CVE Reserved
  • 2021-04-22 CVE Published
  • 2024-09-26 CVE Updated
  • 2024-11-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Oracle
Search vendor "Oracle"
Oss Support Tools
Search vendor "Oracle" for product "Oss Support Tools"
< 2.12.41
Search vendor "Oracle" for product "Oss Support Tools" and version " < 2.12.41"
-
Affected