VDB

CVE-2021-27803

CVE-2021-27803 PUBLISHED CVSS 7.5 HIGH

Reported by mitre · Published February 26, 2021

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.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
wpa_supplicantAmazon Linux1:2.6-12.amzn2.2.1

Risk scores

CVSS 3.1
7.5
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersions
n/an/an/a
amazon:2wpa_supplicant0
n/an/a*
alpinewpa_supplicant0, 0, 0
archwpa_supplicant0

Timeline

  • Feb 26, 2021 CVE Published
  • Apr 14, 2021 EPSS Score (30 in total, the first dated here)
  • Dec 18, 2025 CVE Updated
  • Mar 10, 2026 Distribution Patch
  • Mar 10, 2026 Security Advisory (3 in total, the first dated here)
  • Aug 6, 2026 Coalition ESS Score

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2021-27803
vulnetix vdb fixes CVE-2021-27803

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-27803/fixes/registry"

The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart

References

Look up in the Resolve Platform →
$ Lookup Community · 50/day Open Lookup ›