// For flags

CVE-2021-26600

ImpressCMS 1.4.2 Authentication Bypass

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

3
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

ImpressCMS before 1.4.3 has plugins/preloads/autologin.php type confusion with resultant Authentication Bypass (!= instead of !==).

ImpressCMS versiones anteriores a 1.4.3, presenta una confusión de tipo en el archivo plugins/preloads/autologin.php con la consiguiente Omisión de Autenticación (!= en lugar de !==)

ImpressCMS versions 1.4.2 and below suffer from an authentication bypass vulnerability.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-02-03 CVE Reserved
  • 2022-03-22 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • 2024-11-01 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Impresscms
Search vendor "Impresscms"
 Impresscms
Search vendor "Impresscms" for product "Impresscms"
 < 1.4.3
Search vendor "Impresscms" for product "Impresscms" and version " < 1.4.3"
-
Affected