CVE-2021-26561
Severity Score
8.1
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.
Una vulnerabilidad de desbordamiento del búfer en la región stack de la memoria en synoagentregisterd en Synology DiskStation Manager (DSM) versiones anteriores a 6.2.3-25426-3, permite a atacantes de tipo man-in-the-middle ejecutar código arbitrario por medio del encabezado HTTP syno_finder_site
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-02-02 CVE Reserved
- 2021-02-26 CVE Published
- 2024-07-01 EPSS Updated
- 2024-09-16 CVE Updated
- 2024-09-16 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
- CWE-121: Stack-based Buffer Overflow
CAPEC
References (2)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1159 | 2024-09-16 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.synology.com/security/advisory/Synology_SA_20_26 | 2022-04-26 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Synology Search vendor "Synology" | Vs960hd Firmware Search vendor "Synology" for product "Vs960hd Firmware" | - | - |
Affected
| in | Synology Search vendor "Synology" | Vs960hd Search vendor "Synology" for product "Vs960hd" | - | - |
Safe
|
| Synology Search vendor "Synology" | Skynas Firmware Search vendor "Synology" for product "Skynas Firmware" | - | - |
Affected
| in | Synology Search vendor "Synology" | Skynas Search vendor "Synology" for product "Skynas" | - | - |
Safe
|
| Synology Search vendor "Synology" | Diskstation Manager Unified Controller Search vendor "Synology" for product "Diskstation Manager Unified Controller" | 3.0 Search vendor "Synology" for product "Diskstation Manager Unified Controller" and version "3.0" | - |
Affected
| in | Synology Search vendor "Synology" | Uc3200 Search vendor "Synology" for product "Uc3200" | - | - |
Safe
|
| Synology Search vendor "Synology" | Diskstation Manager Search vendor "Synology" for product "Diskstation Manager" | < 6.2.3-25426-3 Search vendor "Synology" for product "Diskstation Manager" and version " < 6.2.3-25426-3" | - |
Affected
| ||||||