VulnerabilityModified
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.
HIGH 7.5EPSS 1.29%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.29% probability · 69th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- contiki-os/contiki
- Source
- cve@mitre.org
References
- https://github.com/contiki-os/contiki/issues/2687Third Party Advisory
- https://github.com/contiki-os/contiki/issues/2687Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.