Sign in Sign up
JA · EN · FR
SecPulse
Categories
CVE-2021-34537 high CVSS 7.8

Privilege Escalation in Windows Bluetooth Driver (CVE-2021-34537)

Summary

Vulnerability in Windows Bluetooth Driver (CVE-2021-34537). Successful exploitation can lead to full system takeover.

Original description

The description as published by the source.

Windows Bluetooth Driver Elevation of Privilege Vulnerability

Source: NIST National Vulnerability Database NVD GitHub Advisory

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A weakness called CVE-2021-34537 was discovered in Windows Bluetooth Driver.
In plain terms, it is improper privilege management.
Severity is High (CVSS 7.8/10). If exploited, attackers can leak data or disrupt key functionality.
What you should do: update the affected software to the latest version. If unsure, ask your IT team or search the vendor's site for "Windows Bluetooth Driver CVE-2021-34537".

CVE-2021-34537 (Windows Bluetooth Driver). Severity: High / CVSSv3 7.8. Category: CWE-269.
Response plan:

  1. Check the vendor advisory for affected versions and the patched release.
  2. If a vulnerable version is running in production, schedule maintenance (urgency from KEV/CVSS).
  3. If no patch yet, mitigate via WAF rule, disabling the affected feature, etc.
  4. Monitor logs / SIEM for known IOC and PoC signatures of this CVE.
    PoCs and fix commits: see the 'References' section, MITRE, and NVD.
❓ What is the problem

A weakness (CVE-2021-34537) in Windows Bluetooth Driver. In plain words, it is improper privilege management.

📍 Affected scope

Target versions of Windows Bluetooth Driver (see vendor advisory). If running in production, identify exposure immediately.

🔥 Severity

Severity: High (CVSS 7.8/10). If exploited, attackers can leak data or disrupt key functionality.

🔧 How to fix

Update to the patched release as listed in the vendor advisory. (Typical mitigation pattern for CWE-269)

🛡️ Workaround

If a patch is not yet available, consider disabling the affected feature, applying WAF rules, blocking via network ACLs, or isolating the vulnerable version.

🔍 Detection

Check version information, scan dependencies via SBOM, and monitor SIEM for IOC and PoC signatures related to this CVE.

References

We use cookies for analytics and ad measurement. This setting applies to all Game co., Ltd. sites. Details