CVE-2012-4427

Exp

The gnome-shell plugin 3.4.1 in GNOME allows remote attackers to force the download and installation of arbitrary extensions from extensions.gnome.org via a crafted web page.

Published: 2012-10-01 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-4427 is rated High Exploit Risk (68.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.03%). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2012-4427

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-4427

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 2025-03-30 1.42% 1.03% -0.39%
2 2025-03-29 1.03% 1.42% +0.39%
3 2025-03-17 — 1.03% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4427

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2012-4427

OS Trackers for CVE-2012-4427

vendor priority summary link
debian unimportant CVE-2012-4427 unimportant priority: Debian including 1 source packages (gnome-shell), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2012-4427
ubuntu medium CVE-2012-4427 medium priority: Ubuntu including 1 source packages (gnome-shell), 16 status rows across 16 suites (hardy, lucid, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 9, DNE 3, not-affected 3, needs-triage 1. https://ubuntu.com/security/CVE-2012-4427

Affected software / configurations for CVE-2012-4427

Vendor Product Version Raw CPE
gnome gnome-shell 3.4.1 cpe:2.3:a:gnome:gnome-shell:3.4.1:*:*:*:*:*:*:*

References for CVE-2012-4427

cvelogic Threat Intelligence