// For flags

CVE-2021-23127

[20210301] - Core - Insecure randomness within 2FA secret generation

Severity Score

9.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An issue was discovered in Joomla! 3.2.0 through 3.9.24. Usage of an insufficient length for the 2FA secret accoring to RFC 4226 of 10 bytes vs 20 bytes.

Se detectó un problema en Joomla! versiones 3.2.0 hasta 3.9.24. El uso de una longitud insuficiente para el secreto 2FA según RFC 4226 de 10 bytes frente a 20 bytes

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-06 CVE Reserved
  • 2021-03-04 CVE Published
  • 2023-11-18 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Joomla
Search vendor "Joomla"
Joomla\!
Search vendor "Joomla" for product "Joomla\!"
>= 3.2.0 < 3.9.25
Search vendor "Joomla" for product "Joomla\!" and version " >= 3.2.0 < 3.9.25"
-
Affected