// For flags

CVE-2021-43116

Nacos 2.0.3 - Access Control vulnerability

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

3
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An Access Control vulnerability exists in Nacos 2.0.3 in the access prompt page; enter username and password, click on login to capture packets and then change the returned package, which lets a malicious user login.

Se presenta una vulnerabilidad de control de acceso en Nacos versiones 2.0.3, en la página access prompt; ingrese el nombre de usuario y la contraseña, haga clic en iniciar sesión para capturar paquetes y luego cambie el paquete devuelto, lo que permite a un usuario malicioso iniciar sesión

Nacos version 2.0.3 suffers from an access control vulnerability.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
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
  • 2021-11-01 CVE Reserved
  • 2022-07-05 CVE Published
  • 2023-04-03 First Exploit
  • 2024-08-04 CVE Updated
  • 2024-09-26 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-287: Improper Authentication
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Alibaba
Search vendor "Alibaba"
Nacos
Search vendor "Alibaba" for product "Nacos"
<= 2.0.3
Search vendor "Alibaba" for product "Nacos" and version " <= 2.0.3"
-
Affected