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Fencer Vulns
medium 5.0

CVE-2004-1027 json

Directory traversal vulnerability in the -x (extract) command line option in unarj allows remote attackers to overwrite arbitrary files via…

published 2004-11-16 21 y ago modified 2026-06-16 4 mo ago also EUVD-2004-1025

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.8%
EPSS 3.8% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

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.

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2004-1027 updated

security flaw

  • Red Hat Enterprise Linux ES version 2.1 Red Hat Enterprise Linux WS version 2.1 Red Hat Linux Advanced Workstation 2.1
    fixed: vendor fix RHSA-2005:007

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.77% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Fix old broken CPEs.