7.1
HIGH
CVE-2020-0556
"BlueZ Privilege Escalation and Denial of Service Vulnerability"
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

INFO

Published Date :

March 12, 2020, 9:15 p.m.

Last Modified :

April 22, 2022, 7:02 p.m.

Remotely Exploitable :

No

Impact Score :

3.7

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2020-0556 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Canonical ubuntu_linux
1 Debian debian_linux
1 Opensuse leap
1 Bluez bluez
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-0556.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00008.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00055.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00008.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202003-49 Third Party Advisory
https://usn.ubuntu.com/4311-1/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4647 Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00352.html Patch Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-0556 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-0556 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Apr. 22, 2022

    Action Type Old Value New Value
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00008.html Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00008.html Mailing List, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00055.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00055.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/06/msg00008.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/06/msg00008.html Mailing List, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-269 NVD-CWE-noinfo
  • CVE Modified by [email protected]

    Jun. 26, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00055.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 09, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/06/msg00008.html [No Types Assigned]
  • CPE Deprecation Remap by [email protected]

    May. 04, 2020

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* OR *cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
  • Modified Analysis by [email protected]

    Apr. 24, 2020

    Action Type Old Value New Value
    Removed CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00008.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00008.html Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/202003-49 No Types Assigned https://security.gentoo.org/glsa/202003-49 Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4311-1/ No Types Assigned https://usn.ubuntu.com/4311-1/ Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2020/dsa-4647 No Types Assigned https://www.debian.org/security/2020/dsa-4647 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 08, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00008.html [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 03, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4311-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 27, 2020

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2020/dsa-4647 [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 25, 2020

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202003-49 [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 17, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:A/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00352.html No Types Assigned https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00352.html Patch, Third Party Advisory
    Added CWE NIST CWE-269
    Added CPE Configuration OR *cpe:2.3:a:bluez:bluez:*:*:*:*:*:*:*:* versions up to (excluding) 5.54
  • CVE Modified by [email protected]

    Mar. 17, 2020

    Action Type Old Value New Value
    Changed Description Improper access control in subsystem for BlueZ before version 5.53 may allow an unauthenticated user to potentially enable escalation of privilege and denial of service via adjacent access. 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
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-0556 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-0556 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.10 }} 0.03%

score

0.40861

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability