CVE-2020-12352

30

FAUCET Score

CVE-2020-12352 describes an improper access control vulnerability in BlueZ, the official Linux Bluetooth protocol stack, affecting various Linux kernel versions. This medium-severity flaw (CVSS 6.5) allows an unauthenticated, adjacent attacker to potentially disclose sensitive information without user interaction. While not currently in the KEV catalog, a public exploit (EDB-49754, known as "BleedingTooth") demonstrates zero-click remote code execution, and it has garnered significant community discussion and media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 5.4, < 5.4.72CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 5.8.0, < 5.8.16CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 5.9.0, <= 5.9.13CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

Exploitability Score

2.8

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

5.71%

Probability of exploitation in next 30 days

EPSS Percentile

92.2%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

ExploitDB: EDB-49754 · Apr 8, 2021

This CVE's current EPSS score of 0.0571 is in the 98th percentile among its peer group of 1,802 CVEs.

Social Chatter

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

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (19)

codesyspatch availablevia llm_extracted

esphomepatch availablevia llm_extracted

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: kernel-alt-0:4.14.0-115.32.1.el7a

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.2 Advanced Update SupportFixed in: kernel-0:3.10.0-327.93.1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.3 Advanced Update SupportFixed in: kernel-0:3.10.0-514.85.1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.3 Telco Extended Update SupportFixed in: kernel-0:3.10.0-514.85.1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.3 Update Services for SAP SolutionsFixed in: kernel-0:3.10.0-514.85.1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.4 Advanced Update SupportFixed in: kernel-0:3.10.0-693.77.1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.4 Telco Extended Update SupportFixed in: kernel-0:3.10.0-693.77.1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt-0:3.10.0-1160.2.2.rt56.1134.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.6 Extended Update SupportFixed in: kernel-0:3.10.0-957.61.2.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.7 Extended Update SupportFixed in: kernel-0:3.10.0-1062.37.1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-193.28.1.rt13.77.el8_2

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-193.28.1.el8_2

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.0 Update Services for SAP SolutionsFixed in: kernel-0:4.18.0-80.30.1.el8_0

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.1 Extended Update SupportFixed in: kernel-0:4.18.0-147.32.1.el8_1

redhatpatch availablevia redhat_api

Product: Red Hat Virtualization 4.2 for Red Hat Enterprise Linux 7.6 EUSFixed in: kernel-0:3.10.0-957.61.2.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7.4 Update Services for SAP SolutionsFixed in: kernel-0:3.10.0-693.77.1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-1160.2.2.el7

Vendor Advisories (3)

codesysllm-codesys-fe85e88fbae25bb9CRITICAL

HP ThinPro 8.1 SP7 Security Updates

esphomellm-esphome-ed450ce9fd6a7380CRITICAL

HP ThinPro 8.1 SP7 Security Updates

redhatCVE-2020-12352Moderate

kernel: net: bluetooth: information leak when processing certain AMP packets

References

packetstormsecurity.com / files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.html

ExploitThird Party AdvisoryVDB Entry

packetstormsecurity.com / files/162131/Linux-Kernel-5.4-BleedingTooth-Remote-Code-Execution.html

Third Party AdvisoryVDB Entry

intel.com / content/www/us/en/security-center/advisory/intel-sa-00435.html

Third Party Advisory