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CVE-2021-27803

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorADJACENT_NETWORK

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published2/26/2021

Last Modified12/18/2025

Sourcenvd

Honeypot Sightings0

Affected Products

debian:debian_linuxfedoraproject:fedoraw1.fi:wpa_supplicant

References

http://www.openwall.com/lists/oss-security/2021/02/27/1(cve@mitre.org)

https://lists.debian.org/debian-lts-announce/2021/03/msg00003.html(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZGUR5XFHATVXTRAEJMODS7ROYHA56NX/(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KOGP2VIVVXXQ6CZ2HU4DKGPDB4WR24XF/(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SEHS2CFGH3KCSNPHBHNGN5SGV6QPMLZ4/(cve@mitre.org)

https://w1.fi/security/2021-1/0001-P2P-Fix-a-corner-case-in-peer-addition-based-on-PD-R.patch(cve@mitre.org)

https://w1.fi/security/2021-1/wpa_supplicant-p2p-provision-discovery-processing-vulnerability.txt(cve@mitre.org)

https://www.debian.org/security/2021/dsa-4898(cve@mitre.org)

https://www.openwall.com/lists/oss-security/2021/02/25/3(cve@mitre.org)

http://www.openwall.com/lists/oss-security/2021/02/27/1(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2021/03/msg00003.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZGUR5XFHATVXTRAEJMODS7ROYHA56NX/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KOGP2VIVVXXQ6CZ2HU4DKGPDB4WR24XF/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SEHS2CFGH3KCSNPHBHNGN5SGV6QPMLZ4/(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(af854a3a-2127-422b-91ae-364da2661108)

https://w1.fi/security/2021-1/wpa_supplicant-p2p-provision-discovery-processing-vulnerability.txt(af854a3a-2127-422b-91ae-364da2661108)

https://www.debian.org/security/2021/dsa-4898(af854a3a-2127-422b-91ae-364da2661108)

https://www.openwall.com/lists/oss-security/2021/02/25/3(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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