// For flags

CVE-2021-23262

Snakeyaml deserialization vulnerability bypass

Severity Score

7.2
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Authenticated administrators may modify the main YAML configuration file and load a Java class resulting in RCE.

Los administradores autenticados pueden modificar el archivo principal de configuración YAML y cargar una clase Java que resulte en RCE

*Credits: Kai Zhao (ToTU Security Team)
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-08 CVE Reserved
  • 2021-12-02 CVE Published
  • 2023-06-25 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-913: Improper Control of Dynamically-Managed Code Resources
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Craftercms
Search vendor "Craftercms"
 Crafter Cms
Search vendor "Craftercms" for product "Crafter Cms"
 >= 3.1.0 < 3.1.13
Search vendor "Craftercms" for product "Crafter Cms" and version " >= 3.1.0 < 3.1.13"
-
Affected