CVE-2021-38386

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-38386
In Contiki 3.0, a buffer overflow in the Telnet service allows remote attackers to cause a denial of service because the ls command is mishandled when a directory has many files with long names.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://github.com/contiki-os/contiki/issues/2687 Third Party Advisory
https://github.com/contiki-os/contiki/issues/2687 Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:o:contiki-os:contiki:3.0:*:*:*:*:*:*:*
History

21 Nov 2024, 06:16

Type Values Removed Values Added
References () https://github.com/contiki-os/contiki/issues/2687 - Third Party Advisory () https://github.com/contiki-os/contiki/issues/2687 - Third Party Advisory

17 Aug 2021, 20:09

Type Values Removed Values Added
References (MISC) https://github.com/contiki-os/contiki/issues/2687 - (MISC) https://github.com/contiki-os/contiki/issues/2687 - Third Party Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
CPE cpe:2.3:o:contiki-os:contiki:3.0:*:*:*:*:*:*:*
CWE CWE-120

10 Aug 2021, 19:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-08-10 19:15

Updated : 2024-11-21 06:16

NVD link : CVE-2021-38386

Mitre link : CVE-2021-38386

CVE.ORG link : CVE-2021-38386

JSON object : View

Products Affected

contiki-os

  • contiki
CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')