Contiki 3.0 Telnet Service infinite loop

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as problematic was found in Contiki 3.0. Affected by this vulnerability is an unknown functionality of the component Telnet Service. The manipulation with an unknown input leads to a infinite loop vulnerability. The CWE definition for the vulnerability is CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. As an impact it is known to affect availability.

The weakness was presented 08/10/2021. The advisory is shared at This vulnerability is known as CVE-2021-38311. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.




CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍


Class: Infinite loop
CWE: CWE-835 / CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


08/09/2021 🔍
08/10/2021 +1 days 🔍
08/10/2021 +0 days 🔍
08/14/2021 +4 days 🔍


Status: Confirmed

CVE: CVE-2021-38311 (🔍)


Created: 08/10/2021 10:51 AM
Updated: 08/14/2021 08:53 PM
Changes: 08/10/2021 10:51 AM (35), 08/14/2021 08:53 PM (2)
Complete: 🔍


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