Is CVE-2009-3274 being actively exploited?

CVE-2009-3274 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-3274?

CVE-2009-3274 has a CVSS 2.0 base score of 4.4 (MEDIUM).

CVE-2009-3274

MEDIUM · CVSS 4.4EPSS 0.3%EU EUVD

Mozilla Firefox 3.6a1, 3.5.3, 3.5.2, and earlier 3.5.x versions, and 3.0.14 and earlier 2.x and 3.x versions, on Linux uses a predictable /tmp pathname for files selected from the Downloads window, which allows local users to replace an arbitrary downloaded file by placing a file in a /tmp location before the download occurs, related to the Download Manager component. NOTE: some of these details are obtained from third party information.

Key facts

CVSS score: 4.4 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:M/Au:N/C:P/I:P/A:P
EPSS score: 0.3% (22th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-3257)
Published: September 21, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-3257 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

linux / linux kernel
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
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mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
mozilla / firefox
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mozilla / firefox
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mozilla / firefox
mozilla / firefox
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mozilla / firefox

References

http://jbrownsec.blogspot.com/2009/09/vamos-updates.html(Broken Link)
http://secunia.com/advisories/36649(Third Party Advisory)
http://securitytube.net/Zero-Day-Demos-%28Firefox-Vulnerability-Discovered%29-video.aspx
http://sunsolve.sun.com/search/document.do?assetkey=1-26-272909-1(Broken Link)
http://www.mandriva.com/security/advisories?name=MDVSA-2009:294(Broken Link)
http://www.mozilla.org/security/announce/2009/mfsa2009-53.html(Vendor Advisory)
http://www.redhat.com/support/errata/RHSA-2010-0153.html(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2010-0154.html(Third Party Advisory)
http://www.vupen.com/english/advisories/2009/3334(Third Party Advisory)
http://www.vupen.com/english/advisories/2010/0650(Third Party Advisory)
https://bugzilla.mozilla.org/show_bug.cgi?id=514823(Issue Tracking, Vendor Advisory)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9641(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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