CVE-2021-38387
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
In Contiki 3.0, a Telnet server that silently quits (before disconnection with clients) leads to connected clients entering an infinite loop and waiting forever, which may cause excessive CPU consumption.
En Contiki versión 3.0, un servidor Telnet que se cierra silenciosamente (antes de la desconexión con los clientes) conlleva a que clientes conectados entren en un bucle infinito y esperen eternamente, lo que puede causar un consumo excesivo de la CPU
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-08-10 CVE Reserved
- 2021-08-10 CVE Published
- 2024-04-25 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
CAPEC
References (1)
| URL | Tag | Source |
|---|---|---|
| https://github.com/contiki-os/contiki/issues/2688 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Contiki-os Search vendor "Contiki-os" | Contiki Search vendor "Contiki-os" for product "Contiki" | 3.0 Search vendor "Contiki-os" for product "Contiki" and version "3.0" | - |
Affected
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