CVE-2020-0556
Improper access control in subsystem for BlueZ before version 5.54 may allow an unauthenticated user to potentially enable escalation of privilege and denial of service via adjacent access
02 Description
Improper access control in subsystem for BlueZ before version 5.54 may allow an unauthenticated user to potentially enable escalation of privilege and denial of service via adjacent access
03 Exploitation and scoring
- 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
- 1.04% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 63.7% of scored records. A rank, not a probability.
- NVD base score
- 7.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
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.
04 Metadata
- Published
- 2020-03-12 20:47Z6 YR AGO
- Last updated
- 2024-08-04 06:02Z2 YR AGO
- Reserved
- 2019-10-28
- Assigning CNA
- intel
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-266Incorrect Privilege AssignmentBase
- Data version
- 5.1
- Document digest
- 514ce6c59ffeaa9ad6d83f8e642b663ae686c369118e6bc1f68e71c13e490be0
05 Affected products
06 References
- www.intel.comhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00352.html
- security.gentoo.orgGLSA-202003-49https://security.gentoo.org/glsa/202003-49
- www.debian.orgDSA-4647https://www.debian.org/security/2020/dsa-4647
- usn.ubuntu.comUSN-4311-1https://usn.ubuntu.com/4311-1/
- lists.opensuse.orgopenSUSE-SU-2020:0479http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00008.html
- lists.debian.org[debian-lts-announce] 20200609 [SECURITY] [DLA 2240-1] bluez security updatehttps://lists.debian.org/debian-lts-announce/2020/06/msg00008.html
- lists.opensuse.orgopenSUSE-SU-2020:0872http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00055.html
07 Fixed in
Arch Linux
- bluez Fixed in 5.54-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- bluez Fixed in 5.50-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- bluez Fixed in 5.50-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- bluez Fixed in 5.50-1.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- bluez Fixed in 5.37-0ubuntu5.3
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- bluez Fixed in 5.48-0ubuntu3.4
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.