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CVE-2021-27803

Public on 2021-02-26
Modified on 2021-03-25
Description

A flaw was found in the wpa_supplicant, in the way it processes P2P (Wi-Fi Direct) provision discovery requests. This flaw allows an attacker who is within radio range of the device running P2P discovery to cause termination of the wpa_supplicant process or potentially cause code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Severity
Important
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CVSS v3 Base Score
7.5
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core wpa_supplicant 2021-03-25 18:31 ALAS2-2021-1624

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv3 7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 5.4 AV:A/AC:M/Au:N/C:P/I:P/A:P

References

Red Hat: CVE-2021-27803 Mitre: CVE-2021-27803 FAQs regarding Amazon Linux ALAS/CVE Severity