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Vulnerability record · CVE-2018-1002205 · published 25 July 2018

CVE-2018-1002205: Dotnetzip.semverd project dotnetzip.semverd path traversal vulnerability

DDotnetzip.Semverd Project · Dotnetzip.Semverd

DotNetZip.Semvered before 1.11.0 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'.

5.5 CVSS 3.1 Medium EPSS 10% · top 4.4% CWE-22 · Path traversal
5.5CVSS 3.1 base score, v2 4.3
10%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

DotNetZip.Semvered before 1.11.0 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'.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/haf/DotNetZip.Semverd/commit/55d2c13c0cc64654e18fcdd0038fdb3d7458e366 Patch
https://github.com/haf/DotNetZip.Semverd/pull/121 Patch
https://github.com/snyk/zip-slip-vulnerability Third Party Advisory
https://snyk.io/research/zip-slip-vulnerability Third Party Advisory
https://snyk.io/vuln/SNYK-DOTNET-DOTNETZIP-60245 Third Party Advisory
https://github.com/haf/DotNetZip.Semverd/commit/55d2c13c0cc64654e18fcdd0038fdb3d7458e366 Patch
https://github.com/haf/DotNetZip.Semverd/pull/121 Patch
https://github.com/snyk/zip-slip-vulnerability Third Party Advisory
https://snyk.io/research/zip-slip-vulnerability Third Party Advisory
https://snyk.io/vuln/SNYK-DOTNET-DOTNETZIP-60245 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-1002205), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.