CVE-2020-27153

8.6 HIGH
Published: October 15, 2020 Modified: April 15, 2026
View on NVD

Description

In BlueZ before 5.55, a double free was found in the gatttool disconnect_cb() routine from shared/att.c. A remote attacker could potentially cause a denial of service or code execution, during service discovery, due to a redundant disconnect MGMT event.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00034.html
Source: cve@mitre.org
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00036.html
Source: cve@mitre.org
Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1884817
Source: cve@mitre.org
Issue Tracking Third Party Advisory
https://github.com/bluez/bluez/commit/1cd644db8c23a2f530ddb93cebed7dacc5f5721a
Source: cve@mitre.org
Patch Third Party Advisory
https://github.com/bluez/bluez/commit/5a180f2ec9edfacafd95e5fed20d36fe8e077f07
Source: cve@mitre.org
Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00022.html
Source: cve@mitre.org
Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202011-01
Source: cve@mitre.org
Third Party Advisory
https://www.debian.org/security/2021/dsa-4951
Source: cve@mitre.org
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00034.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00036.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1884817
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Third Party Advisory
https://github.com/bluez/bluez/commit/1cd644db8c23a2f530ddb93cebed7dacc5f5721a
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://github.com/bluez/bluez/commit/5a180f2ec9edfacafd95e5fed20d36fe8e077f07
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00022.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202011-01
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.debian.org/security/2021/dsa-4951
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.6 / 10.0
EPSS (Exploit Probability)
1.9%
83th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-415 CWE-415

Affected Vendors

opensuse debian bluez

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