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Vulnerability details: VCID-zyyf-565p-h7d6
Vulnerability ID VCID-zyyf-565p-h7d6
Aliases CVE-2020-0556
Summary A vulnerability in BlueZ might allow remote attackers to bypass security restrictions.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-400 Uncontrolled Resource Consumption
CWE-266 Incorrect Privilege Assignment
System Score Found at
cvssv3 7.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-0556.json
epss 0.00161 https://api.first.org/data/v1/epss?cve=CVE-2020-0556
epss 0.00161 https://api.first.org/data/v1/epss?cve=CVE-2020-0556
epss 0.00161 https://api.first.org/data/v1/epss?cve=CVE-2020-0556
epss 0.00161 https://api.first.org/data/v1/epss?cve=CVE-2020-0556
epss 0.00161 https://api.first.org/data/v1/epss?cve=CVE-2020-0556
epss 0.00161 https://api.first.org/data/v1/epss?cve=CVE-2020-0556
epss 0.00161 https://api.first.org/data/v1/epss?cve=CVE-2020-0556
epss 0.00161 https://api.first.org/data/v1/epss?cve=CVE-2020-0556
epss 0.00161 https://api.first.org/data/v1/epss?cve=CVE-2020-0556
epss 0.00161 https://api.first.org/data/v1/epss?cve=CVE-2020-0556
epss 0.00161 https://api.first.org/data/v1/epss?cve=CVE-2020-0556
epss 0.00161 https://api.first.org/data/v1/epss?cve=CVE-2020-0556
epss 0.00161 https://api.first.org/data/v1/epss?cve=CVE-2020-0556
epss 0.00161 https://api.first.org/data/v1/epss?cve=CVE-2020-0556
epss 0.00161 https://api.first.org/data/v1/epss?cve=CVE-2020-0556
epss 0.00161 https://api.first.org/data/v1/epss?cve=CVE-2020-0556
cvssv3.1 6.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.8 https://nvd.nist.gov/vuln/detail/CVE-2020-0556
cvssv3.1 7.1 https://nvd.nist.gov/vuln/detail/CVE-2020-0556
archlinux High https://security.archlinux.org/AVG-1116
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00055.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-0556.json
https://api.first.org/data/v1/epss?cve=CVE-2020-0556
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-0556
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2020/06/msg00008.html
https://www.debian.org/security/2020/dsa-4647
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00352.html
1814293 https://bugzilla.redhat.com/show_bug.cgi?id=1814293
953770 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=953770
ASA-202003-13 https://security.archlinux.org/ASA-202003-13
AVG-1116 https://security.archlinux.org/AVG-1116
cpe:2.3:a:bluez:bluez:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:bluez:bluez:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
CVE-2020-0556 https://nvd.nist.gov/vuln/detail/CVE-2020-0556
GLSA-202003-49 https://security.gentoo.org/glsa/202003-49
RHSA-2020:4001 https://access.redhat.com/errata/RHSA-2020:4001
RHSA-2020:4481 https://access.redhat.com/errata/RHSA-2020:4481
USN-4311-1 https://usn.ubuntu.com/4311-1/
No exploits are available.
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-0556.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:A/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-0556
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2020-0556
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.36955
EPSS Score 0.00161
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:14:45.636016+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202003-49 38.0.0