Path Traversal in Zip4j

CVE-2018-1002202

zip4j before 1.3.3 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.131 (95.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-1002202?
CVE-2018-1002202 is a medium-severity vulnerability in Zip4j, classified under Path Traversal. CVSS score: 6.5/10. Published 2018-07-25.
How severe is CVE-2018-1002202?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2018-1002202 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.