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Public proof of concept

CVE-2021-38759

A public proof of concept exists; no exploitation attested.

  • Published2021-12-07
  • WeaknessCWE-1188

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Raspberry Pi OS through 5.10 has the raspberry default password for the pi account. If not changed, attackers can gain administrator privileges.

Timeline

dates in UTC
  1. 2021-12-0721:15CVE publishedNVD
  2. 2021-12-09Exploit-DB entryExploit-DB

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-38759?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-38759?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Raspberrypi raspberry pi os lite
BranchAffectedFixed in
5.10≤ 5.10no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-50576
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedHu2ie/CVE-2021-38759
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.19.8read 2026-10-23
  • NVDCVSS 2.010read 2026-10-23
  • NVDweakness (CWE)CWE-1188read 2026-10-23
  • FIRST EPSSEPSS score15.7 %read 2026-11-02
  • PoC-in-GitHubproof of concept1read 2026-11-02
  • Exploit-DBdetectionread 2026-11-02

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2021-12-07
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2021-38759?

Raspberry Pi OS through 5.10 has the raspberry default password for the pi account. If not changed, attackers can gain administrator privileges.

Is CVE-2021-38759 actively exploited?

Active exploitation of CVE-2021-38759 has not been confirmed. Its EPSS score was 15.7% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-38759?

CVE-2021-38759 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record