// For flags

CVE-2021-44467

spx_restservice KillDupUsr_func Broken Access Control

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A broken access control vulnerability in the KillDupUsr_func function of spx_restservice allows an attacker to arbitrarily terminate active sessions of other users, causing a Denial-of-Service (DoS) condition. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

Una vulnerabilidad de control de acceso rota en la función KillDupUsr_func de spx_restservice permite a un atacante terminar arbitrariamente las sesiones activas de otros usuarios, causando una condición de Denegación de Servicio (DoS). Este problema afecta: Lanner Inc IAC-AST2500A versión de firmware estándar 1.10.0

A broken access control vulnerability in the KillDupUsr_func function of spx_restservice allows an attacker to arbitrarily terminate active sessions of other users, causing a Denial-of-Service (DoS) condition, if an input parameter is correctly guessed. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

*Credits: Andrea Palanca of Nozomi Networks found this bug during a security research activity.
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-05-13 CVE Reserved
  • 2022-10-24 CVE Published
  • 2024-05-16 EPSS Updated
  • 2024-09-30 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-284: Improper Access Control
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Lannerinc
Search vendor "Lannerinc"
 Iac-ast2500a Firmware
Search vendor "Lannerinc" for product "Iac-ast2500a Firmware"
 1.10.0
Search vendor "Lannerinc" for product "Iac-ast2500a Firmware" and version "1.10.0"
-
Affected
in Lannerinc
Search vendor "Lannerinc"
 Iac-ast2500a
Search vendor "Lannerinc" for product "Iac-ast2500a"
--
Safe