CVE-2021-27803

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.

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.34%

Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory w1.fi Vendor Advisory w1.fi

Affected: n/a n/a

References

Link	Tags
https://www.openwall.com/lists/oss-security/2021/02/25/3	mailing list third party advisory mitigation
https://w1.fi/security/2021-1/wpa_supplicant-p2p-provision-discovery-processing-vulnerability.txt	mitigation vendor advisory
https://w1.fi/security/2021-1/0001-P2P-Fix-a-corner-case-in-peer-addition-based-on-PD-R.patch	patch vendor advisory
http://www.openwall.com/lists/oss-security/2021/02/27/1	mailing list third party advisory mitigation
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KOGP2VIVVXXQ6CZ2HU4DKGPDB4WR24XF/	vendor advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00003.html	third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZGUR5XFHATVXTRAEJMODS7ROYHA56NX/	vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SEHS2CFGH3KCSNPHBHNGN5SGV6QPMLZ4/	vendor advisory
https://www.debian.org/security/2021/dsa-4898	third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-27803?: CVE-2021-27803 has been scored as a high severity vulnerability.
How to fix CVE-2021-27803?: To fix CVE-2021-27803, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27803 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-27803 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.