CVE-2021-42142
Contiki-NG tinyDTLS Denial of Service
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. DTLS servers mishandle the early use of a large epoch number. This vulnerability allows remote attackers to cause a denial of service and false-positive packet drops.
Se descubrió un problema en Contiki-NG tinyDTLS a través de la rama maestra 53a0d97. Los servidores DTLS manejan mal el uso inicial de un número de época grande. Esta vulnerabilidad permite a atacantes remotos provocar una denegación de servicio y caídas de paquetes falsos positivos.
An issue was discovered in Contiki-NG tinyDTLS versions through 2018-08-30. DTLS servers mishandle the early use of a large epoch number. This vulnerability allows remote attackers to cause a denial of service and false-positive packet drops.
CVSS Scores
SSVC
- Decision:Attend
Timeline
- 2021-10-11 CVE Reserved
- 2024-01-18 CVE Published
- 2024-10-21 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-755: Improper Handling of Exceptional Conditions
- CWE-770: Allocation of Resources Without Limits or Throttling
CAPEC
References (2)
| URL | Tag | Source |
|---|---|---|
| https://seclists.org/fulldisclosure/2024/Jan/15 | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/contiki-ng/tinydtls/issues/24 | 2024-01-31 |
| 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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