HOMEVULNERABILITIESCVE-2021-0129
MEDIUM

CVE-2021-0129

NVD-CWE-OtherPublished: June 9, 2021· Updated: Jun 17, 2026

5.7
CVSS v3.1

Official Description

Improper access control in BlueZ may allow an authenticated user to potentially enable information disclosure via adjacent access.

NVD Source

Technical Analysis

CVE-2021-0129 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 5.7.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

bluez1 product(s)
bluez
Debian1 product(s)
debian linux
Linux1 product(s)
linux kernel
Red Hat1 product(s)
enterprise linux
Source: NVD CPE · 6 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (14)

Quick Facts

CVE IDCVE-2021-0129
CVSS Score5.7 / 10
SeverityMEDIUM
CISA KEVNo
Affected4 vendor(s)
PublishedJun 9, 2021

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2021-0129 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.