// For flags

CVE-2021-26237

 

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

FastStone Image Viewer <= 7.5 is affected by a user mode write access violation at 0x00402d7d, triggered when a user opens or views a malformed CUR file that is mishandled by FSViewer.exe. Attackers could exploit this issue for a Denial of Service (DoS) or possibly to achieve code execution.

FastStone Image Viewer versiones anteriores incluyendo a 7.5, está afectado por una infracción de acceso de escritura en modo de usuario en 0x00402d7d, que se desencadena cuando un usuario abre o visualiza un archivo CUR malformado que el archivo FSViewer.exe maneja inapropiadamente.&#xa0;Unos atacantes podrían explotar este problema para una Denegación de Servicio (DoS) o posiblemente para lograr una ejecución de código

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-25 CVE Reserved
  • 2021-03-18 CVE Published
  • 2024-02-22 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Faststone
Search vendor "Faststone"
 Image Viewer
Search vendor "Faststone" for product "Image Viewer"
 <= 7.5
Search vendor "Faststone" for product "Image Viewer" and version " <= 7.5"
-
Affected