CVE-2021-27803 is a high-severity denial-of-service vulnerability in wpa_supplicant versions prior to 2.10, affecting Wi-Fi Direct (P2P) provision discovery request processing. An attacker within radio range can exploit this with high attack complexity, potentially leading to arbitrary code execution. Despite its high CVSS score of 7.5, there is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage. The vulnerability impacts various distributions including Debian and Fedora.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.0, < 2.10CPE matchmatch criteria | cpe:2.3:a:w1.fi:wpa_supplicant:*:*:*:*:*:*:*:* | ||
32CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* | ||
33CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | ||
34CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
ctrlX Multiple Vulnerabilities
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Apr 23, 2021ctrlX Multiple Vulnerabilities
Apr 23, 2021CVE-2021-27803
Mar 9, 2021wpa_supplicant: Use-after-free in P2P provision discovery processing
Feb 25, 2021A vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before 2.10 processes P2P (Wi-Fi Direct) provision discovery requests. It could result in denial of service or other impact (potentially execution of arbitrary code) for an attacker within radio range.
Feb 9, 2021