How severe is CVE-2012-1945?

CVE-2012-1945 has a CVSS 2.0 base score of 2.9, rated low severity.

Is CVE-2012-1945 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-1945?

CVE-2012-1945 primarily affects Mozilla Firefox. In total, 168 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-1945?

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

When was CVE-2012-1945 published?

CVE-2012-1945 was published on 2012-06-05 and last updated on 2026-06-16.

CVE-2012-1945

CVE-2012-1945 is a low-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 2.9. 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-200.

Key facts

Severity: Low (CVSS 2.0 base score 2.9)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Mozilla Firefox
Published: 2012-06-05
Last modified: 2026-06-16

Description

Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.5, and SeaMonkey before 2.10 allow local users to obtain sensitive information via an HTML document that loads a shortcut (aka .lnk) file for display within an IFRAME element, as demonstrated by a network share implemented by (1) Microsoft Windows or (2) Samba.

Frequently asked questions

What is CVE-2012-1945?: Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.5, and SeaMonkey before 2.10 allow local users to obtain sensitive information via an HTML document that loads a shortcut (aka .lnk) file for display within an IFRAME element, as demonstrated by a network share implemented by (1) Microsoft Windows or (2) Samba.
How severe is CVE-2012-1945?: CVE-2012-1945 has a CVSS 2.0 base score of 2.9, rated low severity.
Is CVE-2012-1945 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-1945?: CVE-2012-1945 primarily affects Mozilla Firefox. In total, 168 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-1945?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-1945 published?: CVE-2012-1945 was published on 2012-06-05 and last updated on 2026-06-16.

References

Affected products (168)

cpe:2.3:a:mozilla:firefox:4.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:4.0:beta1:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:4.0:beta10:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:4.0:beta11:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:4.0:beta12:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:4.0:beta2:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:4.0:beta3:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:4.0:beta4:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:4.0:beta5:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:4.0:beta6:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:4.0:beta7:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:4.0:beta8:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:4.0:beta9:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:5.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:6.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:6.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:6.0.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:7.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:8.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:8.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:9.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:9.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:10.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:10.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:10.0.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:10.0.3:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:10.0.4:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:11.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:12.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:12.0:beta6:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:1.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:1.0:alpha:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:1.0:beta:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:seamonkey:1.0.3:*:*:*:*:*:*:*

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