// For flags

CVE-2021-40399

 

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

An exploitable use-after-free vulnerability exists in WPS Spreadsheets ( ET ) as part of WPS Office, version 11.2.0.10351. A specially-crafted XLS file can cause a use-after-free condition, resulting in remote code execution. An attacker needs to provide a malformed file to the victim to trigger the vulnerability.

Se presenta una vulnerabilidad explotable de uso de memoria previamente liberada en WPS Spreadsheets ( ET ) como parte de WPS Office, versión 11.2.0.10351. Un archivo XLS especialmente diseñado puede causar una condición de uso de memoria previamente liberada, resultando en una ejecución de código remota. Un atacante necesita proporcionar un archivo malformado a la víctima para desencadenar la vulnerabilidad

*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
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
  • 2021-09-01 CVE Reserved
  • 2022-05-12 CVE Published
  • 2024-04-23 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-416: Use After Free
CAPEC
References (2)
URL Tag Source
https://security.wps.cn/notices/28 Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1412 Third Party Advisory
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Wps
Search vendor "Wps"
 Wps Office
Search vendor "Wps" for product "Wps Office"
 11.2.0.10351
Search vendor "Wps" for product "Wps Office" and version "11.2.0.10351"
-
Affected