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) .

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MEDIUM

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) .

Published Jul 27, 2005

5.0

MEDIUM

CVSS 2.0

EPSS 3.49%

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

3.49% 0.03487

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.03487

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (11 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	3.49% (0.03487)	88.74th	v5 (v2026.06.15)
Jun 15, 2026	3.49% (0.03487)	87.57th	v5 (v2026.06.15)
Mar 17, 2025	3.42% (0.03421)	86.63th	v4 (v2025.03.14)
Dec 12, 2024	0.32% (0.00319)	71.39th	v3 (v2023.03.01)
Jul 3, 2024	0.32% (0.00319)	70.73th	v3 (v2023.03.01)
Feb 8, 2024	0.34% (0.00345)	70.82th	v3 (v2023.03.01)
Mar 7, 2023	0.34% (0.00345)	67.08th	v3 (v2023.03.01)
Mar 6, 2023	1.21% (0.01213)	66.61th	v2 (v2022.01.01)
Feb 17, 2023	1.21% (0.01213)	66.22th	v2 (v2022.01.01)
Apr 1, 2022	1.21% (0.01213)	64.21th	v2 (v2022.01.01)
Feb 4, 2022	1.21% (0.01213)	40.54th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (4)

http://secunia.com/advisories/15776
third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
http://secunia.com/secunia_research/2005-20/advisory/
x_refsource_MISCPatchVendor Advisory
http://securitytracker.com/id?1014544
vdb-entryx_refsource_SECTRACK
http://www.avast.com/eng/av4_revision_history.html
x_refsource_MISC

Link	Providers	Tags
http://secunia.com/advisories/15776		third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
http://secunia.com/secunia_research/2005-20/advisory/		x_refsource_MISCPatchVendor Advisory
http://securitytracker.com/id?1014544		vdb-entryx_refsource_SECTRACK
http://www.avast.com/eng/av4_revision_history.html		x_refsource_MISC

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jul 27, 2005

Updated Aug 7, 2024

Reserved Jul 27, 2005

Link CVE-2005-2384

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2005-2384

Red Hat

Severity n/a

Public date n/a

Links CVE-2005-2384