How severe is CVE-2012-4427?

CVE-2012-4427 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2012-4427 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4427?

CVE-2012-4427 affects Gnome Gnome-shell. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-4427?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-4427 published?

CVE-2012-4427 was published on 2012-10-01 and last updated on 2026-06-16.

CVE-2012-4427

CVE-2012-4427 is a medium-severity vulnerability in Gnome Gnome-shell with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Gnome Gnome-shell
Published: 2012-10-01
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2012-4427?: 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.
How severe is CVE-2012-4427?: CVE-2012-4427 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2012-4427 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4427?: CVE-2012-4427 affects Gnome Gnome-shell. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-4427?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-4427 published?: CVE-2012-4427 was published on 2012-10-01 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:gnome:gnome-shell:3.4.1:*:*:*:*:*:*:*

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