CVE-2013-1940

X.Org X server before 1.13.4 and 1.4.x before 1.14.1 does not properly restrict access to input events when adding a new hot-plug device, which might allow physically proximate attackers to obtain sensitive information, as demonstrated by reading passwords from a tty.

Published: 2013-05-13 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-1940 is rated Low Risk (15.4/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.06%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

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-2013-1940

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 2023-03-07 1.03% 0.06% -0.97%
2 2022-02-04 — 1.03% —

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-1940

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 3.9 2.9 [email protected]

Weakness enumeration for CVE-2013-1940

OS Trackers for CVE-2013-1940

vendor priority summary link
debian not yet assigned CVE-2013-1940 not yet assigned priority: Debian including 1 source packages (xorg-server), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-1940
gentoo high CVE-2013-1940: 1 GLSA(s) (201405-07), 1 atom(s) (x11-base/xorg-server); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-1940
redhat low — https://access.redhat.com/security/cve/CVE-2013-1940
ubuntu medium CVE-2013-1940 medium priority: Ubuntu including 2 source packages (xorg-server, xorg-server-lts-quantal), 12 status rows across 6 suites (hardy, lucid, oneiric, precise, quantal, upstream): released 6, DNE 4, ignored 1, needs-triage 1. https://ubuntu.com/security/CVE-2013-1940

NVD evaluator notes for CVE-2013-1940

Impact: Per http://www.ubuntu.com/usn/USN-1803-1/ "A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.10 Ubuntu 12.04 LTS Ubuntu 11.10 Ubuntu 10.04 LTS"

Affected software / configurations for CVE-2013-1940

Vendor Product Version Raw CPE
x x.org-xserver <= 1.13.3 cpe:2.3:a:x:x.org-xserver:*:*:*:*:*:*:*:*
x x.org-xserver 1.4.0 cpe:2.3:a:x:x.org-xserver:1.4.0:*:*:*:*:*:*:*
canonical ubuntu_linux 11.04 cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*
canonical ubuntu_linux 11.10 cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:*
canonical ubuntu_linux 12.10 cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*

References for CVE-2013-1940

cvelogic Threat Intelligence