How severe is CVE-2005-2384?

CVE-2005-2384 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2005-2384 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-2384?

CVE-2005-2384 primarily affects Alwil Avast Antivirus. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-2384?

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

When was CVE-2005-2384 published?

CVE-2005-2384 was published on 2005-07-27 and last updated on 2026-06-16.

CVE-2005-2384

CVE-2005-2384 is a medium-severity vulnerability in Alwil Avast Antivirus 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: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Alwil Avast Antivirus
Published: 2005-07-27
Last modified: 2026-06-16

Description

Directory traversal vulnerability in a third-party compression library (UNACEV2.DLL), as used in avast! Antivirus Home/Professional Edition 4.6.665 and Server Edition 4.6.460, allows remote attackers to write arbitrary files via an ACE archive containing filenames with (1) .. or (2) absolute pathnames.

Frequently asked questions

What is CVE-2005-2384?: Directory traversal vulnerability in a third-party compression library (UNACEV2.DLL), as used in avast! Antivirus Home/Professional Edition 4.6.665 and Server Edition 4.6.460, allows remote attackers to write arbitrary files via an ACE archive containing filenames with (1) .. or (2) absolute pathnames.
How severe is CVE-2005-2384?: CVE-2005-2384 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2005-2384 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-2384?: CVE-2005-2384 primarily affects Alwil Avast Antivirus. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-2384?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-2384 published?: CVE-2005-2384 was published on 2005-07-27 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:alwil:avast_antivirus:4.6.460:*:server:*:*:*:*:*
cpe:2.3:a:alwil:avast_antivirus:4.6.665:*:home:*:*:*:*:*
cpe:2.3:a:alwil:avast_antivirus:4.6.665:*:pro:*:*:*:*:*

More vulnerabilities in Alwil Avast Antivirus

CVE-2006-2869 — Critical (CVSS 10.0): Unspecified vulnerability in the CHM unpacker in avast! before 4.7.844 has unknown impact and remote attack vectors.
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CVE-2005-2385 — High (CVSS 7.5): Buffer overflow in a third-party compression library (UNACEV2.DLL), as used in avast! Antivirus Home/Professional…
CVE-2005-1719 — High (CVSS 7.5): Unknown vulnerability in ALWIL avast! antivirus 4 (4.6.6230) and earlier, when running on Windows NT 4.0, does not…
CVE-2006-1355 — High (CVSS 7.2): avast! Antivirus 4.6.763 and earlier sets "BUILTIN\Everyone" permissions to critical system files in the installation…
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