CVE-2009-4809

CVE-2009-4809 is a medium-severity vulnerability in Sharing-file Easy File Sharing Web Server with a CVSS 2.0 base score of 5.0. 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-22.

Key facts

Description

Directory traversal vulnerability in thumbnail.ghp in Easy File Sharing (EFS) Web Server 4.8 allows remote attackers to read arbitrary files via a .. (dot dot) in the vfolder parameter.

Frequently asked questions

What is CVE-2009-4809?
Directory traversal vulnerability in thumbnail.ghp in Easy File Sharing (EFS) Web Server 4.8 allows remote attackers to read arbitrary files via a .. (dot dot) in the vfolder parameter.
How severe is CVE-2009-4809?
CVE-2009-4809 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-4809 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4809?
CVE-2009-4809 affects Sharing-file Easy File Sharing Web Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-4809?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4809 published?
CVE-2009-4809 was published on 2010-04-23 and last updated on 2026-06-16.

References

Affected products (1)

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