// For flags

CVE-2021-29084

Synology DiskStation Manager webapi CRLF Injection Information Disclosure Vulnerability

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Improper neutralization of special elements in output used by a downstream component ('Injection') vulnerability in Security Advisor report management component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to read arbitrary files via unspecified vectors.

Una vulnerabilidad de neutralización inapropiada de elementos especiales en la salida usada por un componente descendente ("Injection") en el componente de administración de informes Security Advisor en Synology DiskStation Manager (DSM) versiones anteriores a 6.2.3-25426-3, permite a atacantes remotos leer archivos arbitrarios por medio de vectores no especificados

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Synology DS418play. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the webapi component. The issue results from incorrect neutralization of CRLF sequences in HTTP requests. An attacker can leverage this vulnerability to disclose information in the context of the Admin user.

*Credits: Justin Taft (@oneupsecurity)
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-03-23 CVE Reserved
  • 2021-05-25 CVE Published
  • 2024-09-16 CVE Updated
  • 2024-10-09 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://www.synology.com/security/advisory/Synology_SA_20_26 2021-06-29
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Synology
Search vendor "Synology"
 Diskstation Manager
Search vendor "Synology" for product "Diskstation Manager"
 >= 6.2 < 6.2.3-25426-3
Search vendor "Synology" for product "Diskstation Manager" and version " >= 6.2 < 6.2.3-25426-3"
-
Affected
Synology
Search vendor "Synology"
 Diskstation Manager Unified Controller
Search vendor "Synology" for product "Diskstation Manager Unified Controller"
 < 3.1-23033
Search vendor "Synology" for product "Diskstation Manager Unified Controller" and version " < 3.1-23033"
-
Affected