CVE-2021-3658
6.5 · MEDIUMOverview
CVE-2021-3658 is a medium-severity vulnerability affecting bluez bluez. It was published on March 2, 2022 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
bluetoothd from bluez incorrectly saves adapters' Discoverable status when a device is powered down, and restores it when powered up. If a device is powered down while discoverable, it will be discoverable when powered on again. This could lead to inadvertent exposure of the bluetooth stack to physically nearby attackers.
Remediation
Check the references section for vendor advisories and patches from bluez. Update bluez to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| bluez | bluez | >= 0, < 5.61 | Affected |
References
Frequently Asked Questions
What is CVE-2021-3658?
CVE-2021-3658 is a medium-severity vulnerability affecting bluez bluez. It was published on March 2, 2022 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2021-3658?
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-3658?
Check the references section for vendor advisories and patches from bluez. Update bluez to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-3658?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-3658 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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