CVE-2021-27803

high

Published — · Modified —

CVSS v3

—

CVSS v2

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VIR risk

8.0

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.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-27803

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-27803.html

OS impact

OS	Version	Status	Fixed in
arch		fixed	`2:2.10-1`
sles		affected
debian	bookworm	fixed	`2:2.9.0-21`
debian	bullseye	fixed	`2:2.9.0-21`
debian	forky	fixed	`2:2.9.0-21`
debian	sid	fixed	`2:2.9.0-21`
debian	trixie	fixed	`2:2.9.0-21`

References

https://www.suse.com/security/cve/CVE-2021-27803.html
https://security-tracker.debian.org/tracker/CVE-2021-27803

Verify integrity in audit chain (admin only). AS-IS.