CVE-2021-1684, an "Impersonation in the Passkey Entry Protocol" vulnerability, affects various Microsoft Windows operating systems, including Windows 10, 8.1, and several Server versions. This medium-severity vulnerability (CVSS 5.5) has a local attack vector with low complexity, potentially leading to high confidentiality impact by allowing an attacker to impersonate a device during Bluetooth pairing. Microsoft has released an update to mitigate this by preventing pairing if public keys share the same X coordinate. There is no evidence of active exploitation, public exploit code, or significant community discussion, with only one article covering its patch release.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* | ||
20h2CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:* | ||
1607CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* | ||
1803CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* | ||
1809CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.