CVE-2021-42141
 
Severity Score
9.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. One incorrect handshake could complete with different epoch numbers in the packets Client_Hello, Client_key_exchange, and Change_cipher_spec, which may cause denial of service.
Se descubrió un problema en Contiki-NG tinyDTLS hasta el 30 de agosto de 2018. Un protocolo de enlace incorrecto podría completarse con diferentes números de época en los paquetes Client_Hello, Client_key_exchange y Change_cipher_spec, lo que puede provocar una denegación de servicio.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-10-11 CVE Reserved
- 2024-01-18 CVE Published
- 2024-01-31 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-755: Improper Handling of Exceptional Conditions
CAPEC
References (3)
URL | Tag | Source |
---|---|---|
http://packetstormsecurity.com/files/176625/Contiki-NG-tinyDTLS-Denial-Of-Service.html | Third Party Advisory | |
https://seclists.org/fulldisclosure/2024/Jan/14 | Mailing List |
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://github.com/contiki-ng/tinydtls/issues/27 | 2024-01-30 |
URL | Date | SRC |
---|
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Contiki-ng Search vendor "Contiki-ng" | Tinydtls Search vendor "Contiki-ng" for product "Tinydtls" | <= 2018-08-30 Search vendor "Contiki-ng" for product "Tinydtls" and version " <= 2018-08-30" | - |
Affected
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