How severe is CVE-2005-3421?

CVE-2005-3421 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2005-3421 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-3421?

CVE-2005-3421 primarily affects Hyper Estraier. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-3421?

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

When was CVE-2005-3421 published?

CVE-2005-3421 was published on 2005-11-01 and last updated on 2026-06-16.

CVE-2005-3421

CVE-2005-3421 is a medium-severity vulnerability in Hyper Estraier 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.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hyper Estraier
Published: 2005-11-01
Last modified: 2026-06-16

Description

estcmd in Hyper Estraier 1.0.1 on Windows systems allows remote attackers to read unauthorized files via a crafted search request for a filename that contains Unicode characters.

Frequently asked questions

What is CVE-2005-3421?: estcmd in Hyper Estraier 1.0.1 on Windows systems allows remote attackers to read unauthorized files via a crafted search request for a filename that contains Unicode characters.
How severe is CVE-2005-3421?: CVE-2005-3421 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2005-3421 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-3421?: CVE-2005-3421 primarily affects Hyper Estraier. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-3421?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-3421 published?: CVE-2005-3421 was published on 2005-11-01 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:hyper_estraier:hyper_estraier:1.0:*:windows:*:*:*:*:*
cpe:2.3:a:hyper_estraier:hyper_estraier:1.0.1:*:windows:*:*:*:*:*

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