CVE-2021-38759

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

15.67% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 96.5% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-12-07 20:51Z4 YR AGO

Last updated

2024-08-04 01:51Z2 YR AGO

Reserved

2021-08-16

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-1188Initialization of a Resource with an Insecure DefaultBase

Data version

5.1

Document digest

eaca8d8cb870dfccf552ba3019b6cfb98f615103ada4af3578f86358bb496a19

• www.raspberrypi.comhttps://www.raspberrypi.com/documentation/computers/configuration.html#change-the-default-passwordx_refsource_MISC
• www.cnvd.org.cnhttps://www.cnvd.org.cn/flaw/show/CNVD-2021-43968x_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/165211/Raspberry-Pi-5.10-Default-Credentials.htmlx_refsource_MISC
• arstechnica.comhttps://arstechnica.com/gadgets/2022/04/raspberry-pi-os-axes-longstanding-default-user-account-in-the-name-of-security/x_refsource_MISC