CVE-2004-1027

CVE-2004-1027 is a medium-severity vulnerability in Arjsoftware Unarj 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

Description

Directory traversal vulnerability in the -x (extract) command line option in unarj allows remote attackers to overwrite arbitrary files via an arj archive with filenames that contain .. (dot dot) sequences.

Frequently asked questions

What is CVE-2004-1027?
Directory traversal vulnerability in the -x (extract) command line option in unarj allows remote attackers to overwrite arbitrary files via an arj archive with filenames that contain .. (dot dot) sequences.
How severe is CVE-2004-1027?
CVE-2004-1027 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-1027 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-2004-1027?
CVE-2004-1027 primarily affects Arjsoftware Unarj. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-1027?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-1027 published?
CVE-2004-1027 was published on 2005-03-01 and last updated on 2026-06-16.

References

Affected products (6)