CVE-2011-0640

The default configuration of udev on Linux does not warn the user before enabling additional Human Interface Device (HID) functionality over USB, which allows user-assisted attackers to execute arbitrary programs via crafted USB data, as demonstrated by keyboard and mouse data sent by malware on a smartphone that the user connected to the computer.

Published: 2011-01-24 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-0640 is rated Low Risk (37.3/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.35%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-0640

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.07% 0.35% +0.28%
2 2025-06-04 0.16% 0.07% -0.09%
3 2025-03-30 — 0.16% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-0640

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.9 2.0 MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.4 10.0 [email protected]

Weakness enumeration for CVE-2011-0640

OS Trackers for CVE-2011-0640

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2011-0640
ubuntu low CVE-2011-0640 low priority: Ubuntu including 1 source packages (udev), 27 status rows across 27 suites (artful, bionic, cosmic, dapper, disco, eoan, focal, groovy, hardy, hirsute, karmic, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 16, ignored 10, needs-triage 1. https://ubuntu.com/security/CVE-2011-0640

Affected software / configurations for CVE-2011-0640

Vendor Product Version Raw CPE
udev_project udev — cpe:2.3:a:udev_project:udev:-:*:*:*:*:*:*:*

References for CVE-2011-0640

cvelogic Threat Intelligence