// For flags

CVE-2021-26788

 

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

Oryx Embedded CycloneTCP 1.7.6 to 2.0.0, fixed in 2.0.2, is affected by incorrect input validation, which may cause a denial of service (DoS). To exploit the vulnerability, an attacker needs to have TCP connectivity to the target system. Receiving a maliciously crafted TCP packet from an unauthenticated endpoint is sufficient to trigger the bug.

Oryx Embedded CycloneTCP versiones 1.7.6 hasta 2.0.0, corregido en versión 2.0.2, está afectado por una comprobación incorrecta de la entrada, lo que puede causar una denegación de servicio (DoS). Para explotar la vulnerabilidad, un atacante necesitar tener conectividad TCP con el sistema de destino. Recibir un paquete TCP diseñado con fines malicioso desde un endpoint no autenticado es suficiente para desencadenar el bug

*Credits: N/A
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
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-02-05 CVE Reserved
  • 2021-03-08 CVE Published
  • 2023-11-22 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Oryx-embedded
Search vendor "Oryx-embedded"
Cyclonetcp
Search vendor "Oryx-embedded" for product "Cyclonetcp"
>= 1.7.6 <= 2.0.0
Search vendor "Oryx-embedded" for product "Cyclonetcp" and version " >= 1.7.6 <= 2.0.0"
-
Affected