// For flags

CVE-2020-13602

Remote Denial of Service in LwM2M do_write_op_tlv

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Remote Denial of Service in LwM2M do_write_op_tlv. Zephyr versions >= 1.14.2, >= 2.2.0 contain Improper Input Validation (CWE-20), Loop with Unreachable Exit Condition ('Infinite Loop') (CWE-835). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-g9mg-fj58-6fqh

Una Denegación de Servicio Remota en la función do_write_op_tlv de LwM2M. Zephyr versiones posteriores a 1.14.2 incluyéndola, versiones posteriores a 2.2.0 incluyéndola, contienen una Comprobación Inapropiada de la Entrada (CWE-20), Bucle con una Condición de Salida Inalcanzable ("Infinite Loop") (CWE-835). Para mayor información, consulte https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-g9mg-fj58-6fqh

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Local
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
  • 2020-05-26 CVE Reserved
  • 2021-05-24 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-09-17 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
  • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Zephyrproject
Search vendor "Zephyrproject"
Zephyr
Search vendor "Zephyrproject" for product "Zephyr"
<= 1.14.2
Search vendor "Zephyrproject" for product "Zephyr" and version " <= 1.14.2"
-
Affected
Zephyrproject
Search vendor "Zephyrproject"
Zephyr
Search vendor "Zephyrproject" for product "Zephyr"
>= 2.0.0 <= 2.2.0
Search vendor "Zephyrproject" for product "Zephyr" and version " >= 2.0.0 <= 2.2.0"
-
Affected