CVE-2021-27803

7.5 HIGH
Published: February 26, 2021 Modified: December 18, 2025
View on NVD

Description

A 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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/02/27/1
Source: cve@mitre.org
Mailing List Mitigation Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00003.html
Source: cve@mitre.org
Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZGUR5XFHATVXTRAEJMODS7ROYHA56NX/
Source: cve@mitre.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KOGP2VIVVXXQ6CZ2HU4DKGPDB4WR24XF/
Source: cve@mitre.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SEHS2CFGH3KCSNPHBHNGN5SGV6QPMLZ4/
Source: cve@mitre.org
https://w1.fi/security/2021-1/0001-P2P-Fix-a-corner-case-in-peer-addition-based-on-PD-R.patch
Source: cve@mitre.org
Patch Vendor Advisory
https://w1.fi/security/2021-1/wpa_supplicant-p2p-provision-discovery-processing-vulnerability.txt
Source: cve@mitre.org
Mitigation Vendor Advisory
https://www.debian.org/security/2021/dsa-4898
Source: cve@mitre.org
Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/02/25/3
Source: cve@mitre.org
Mailing List Mitigation Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/02/27/1
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Mitigation Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00003.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZGUR5XFHATVXTRAEJMODS7ROYHA56NX/
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KOGP2VIVVXXQ6CZ2HU4DKGPDB4WR24XF/
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SEHS2CFGH3KCSNPHBHNGN5SGV6QPMLZ4/
Source: af854a3a-2127-422b-91ae-364da2661108
https://w1.fi/security/2021-1/0001-P2P-Fix-a-corner-case-in-peer-addition-based-on-PD-R.patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://w1.fi/security/2021-1/wpa_supplicant-p2p-provision-discovery-processing-vulnerability.txt
Source: af854a3a-2127-422b-91ae-364da2661108
Mitigation Vendor Advisory
https://www.debian.org/security/2021/dsa-4898
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/02/25/3
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Mitigation Third Party Advisory

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.3%
51th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

debian fedoraproject w1.fi