What’s Vulnerable › Vulnerabilities

CVE-2020-12352

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-11-23 · updated 2026-06-17
• Weakness: CWE-909

Description

Improper access control in BlueZ may allow an unauthenticated user to potentially enable information disclosure via adjacent access.

Affected products

• Linux kernel: from 5.4 before 5.4.72; from 5.8.0 before 5.8.16; from 5.9.0 through 5.9.13 — fixed in 5.4.72, 5.8.16

How to fix

Upgrade to a fixed version: Linux kernel 5.4.72, 5.8.16. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.html
• http://packetstormsecurity.com/files/162131/Linux-Kernel-5.4-BleedingTooth-Remote-Code-Execution.html
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00435.html?wapkw=CVE-2020-12351
• http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.html
• http://packetstormsecurity.com/files/162131/Linux-Kernel-5.4-BleedingTooth-Remote-Code-Execution.html
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00435.html?wapkw=CVE-2020-12351

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