CVE-2021-27803

HIGH
7.5
CVSS Score
Published: February 26, 2021 at 10:11 PM UTC
Updated: June 17, 2026 at 03:45 AM UTC
3 products affected across 3 vendorsDebian LinuxFedoraWpa Supplicant

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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

1.0 ≤ v < 2.10
Affected range stops below 2.10, so it looks safe — our inference, not a vendor statement

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
ADJACENT_NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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