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CVE-2022-39176

28
FAUCET Score

CVE-2022-39176 is a high-severity vulnerability in BlueZ versions prior to 5.59, affecting various Linux distributions including Debian and Ubuntu. This flaw allows physically proximate attackers to obtain sensitive information due to insufficient validation of parameters in the Audio/Video Remote Control Profile (AVRCP) implementation. With a CVSS score of 8.8, it presents a high risk for confidentiality, integrity, and availability, requiring low attack complexity and no user interaction. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.59CPE matchmatch criteria
cpe:2.3:a:bluez:bluez:*:*:*:*:*:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
20.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.66%
Probability of exploitation in next 30 days
EPSS Percentile
47.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0066 is in the 51st percentile among its peer group of 1,859 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (2)

redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: bluez
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: bluez

Vendor Advisories (1)

redhatCVE-2022-39176Moderate

bluez: BlueZ allows physically proximate attackers to obtain sensitive information because profiles/audio/avrcp.c does not validate params_len

Sep 2, 2022

References

lists.debian.org / debian-lts-announce/2024/09/msg00022.html
bugs.launchpad.net / ubuntu/+source/bluez/+bug/1977968
Issue TrackingPatchThird Party Advisory
lists.debian.org / debian-lts-announce/2022/10/msg00026.html
Mailing ListThird Party Advisory
security.netapp.com / advisory/ntap-20221020-0002
Third Party Advisory
ubuntu.com / security/notices/USN-5481-1
Issue TrackingThird Party Advisory