Auth bypass in Busybox

CVE-2017-3209

The DBPOWER U818A WIFI quadcopter drone provides FTP access over its own local access point, and allows full file permissions to the anonymous user. The DBPower U818A WIFI quadcopter drone runs an FTP server that by default allows anonymou…

EPSS: 0.012 (64.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cret@cert.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cret@cert.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
  • cret@cert.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2017-3209?
CVE-2017-3209 is a high-severity vulnerability in Busybox, classified under Incorrect Default Permissions. CVSS score: 8.1/10. Published 2018-07-24.
How severe is CVE-2017-3209?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2017-3209 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.