// For flags

CVE-2021-24295

Time-based Blind SQL Injection in Spam protection, AntiSpam, FireWall by CleanTalk < 5.153.4

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

It was possible to exploit an Unauthenticated Time-Based Blind SQL Injection vulnerability in the Spam protection, AntiSpam, FireWall by CleanTalk WordPress Plugin before 5.153.4. The update_log function in lib/Cleantalk/ApbctWP/Firewall/SFW.php included a vulnerable query that could be injected via the User-Agent Header by manipulating the cookies set by the Spam protection, AntiSpam, FireWall by CleanTalk WordPress plugin before 5.153.4, sending an initial request to obtain a ct_sfw_pass_key cookie and then manually setting a separate ct_sfw_passed cookie and disallowing it from being reset.

Era posible explotar una vulnerabilidad de inyección SQL ciega Basada en el Tiempo y no autenticada en Spam protection, AntiSpam, FireWall by CleanTalk WordPress Plugin versiones anteriores a 5.153.4.&#xa0;La función update_log en la biblioteca lib/Cleantalk/ApbctWP/Firewall/SFW.php incluía una consulta vulnerable que podía inyectarse por medio del encabezado del agente de usuario al manipular las cookies ajustadas por la protección contra correo no deseado, antispam, FireWall por el plugin CleanTalk de WordPress versiones anteriores a 5.153.4 , enviando una petición inicial para obtener una cookie ct_sfw_pass_key y luego configurando manualmente una cookie ct_sfw_passed separada y no permitiendo que se restablezca

*Credits: Ramuel Gall
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-14 CVE Reserved
  • 2021-03-05 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • 2025-02-01 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cleantalk
Search vendor "Cleantalk"
 Spam Protection\, Antispam\, Firewall
Search vendor "Cleantalk" for product "Spam Protection\, Antispam\, Firewall"
 < 5.153.4
Search vendor "Cleantalk" for product "Spam Protection\, Antispam\, Firewall" and version " < 5.153.4"
wordpress
Affected