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MEDIUM

CVE-2018-1002202

CVSS v3

6.5

MEDIUM

EPSS Score

12.6 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • net.lingala.zip4j:zip4jMavenall versions · fixed in 1.3.3

Vendor advisories

  • CVE-2018-1002202 Red Hat Product Security

    zip4j: arbitrary file write vulnerability / arbitrary code execution using a specially crafted zip file

Full record on NVD

Description

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'.

Technical details

Published
2018-07-25

Frequently asked questions

What is 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'.

Is CVE-2018-1002202 actively exploited?

Active exploitation of CVE-2018-1002202 has not been confirmed. Its EPSS score was 12.6% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-1002202?

CVE-2018-1002202 has a CVSS v3 base score of 6.5 (MEDIUM severity).

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