CVE-2017-5946

Name: CVE-2017-5946
Creator: NVD / NIST
Published: 2017-02-27T07:59:00.317+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.47%

Last modified Jun 17, 2026

CVE-2017-5946 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The Zip::File component in the rubyzip gem before 1.2.1 for Ruby has a directory traversal vulnerability. If a site allows uploading of .zip files, an attacker can upload a malicious file that uses "../" pathname substrings to write arbitrary files to the filesystem.. EPSS estimates a 3.47% chance of exploitation in the next 30 days.

Description

The Zip::File component in the rubyzip gem before 1.2.1 for Ruby has a directory traversal vulnerability. If a site allows uploading of .zip files, an attacker can upload a malicious file that uses "../" pathname substrings to write arbitrary files to the filesystem.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

3.47%

87.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Rubyzip Project	Rubyzip	< 1.2.1
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0

References

http://www.debian.org/security/2017/dsa-3801Third Party Advisory
http://www.securityfocus.com/bid/96445Third Party Advisory, VDB Entry
https://github.com/rubyzip/rubyzip/issues/315Third Party Advisory
https://github.com/rubyzip/rubyzip/releasesThird Party Advisory
http://www.debian.org/security/2017/dsa-3801Third Party Advisory
http://www.securityfocus.com/bid/96445Third Party Advisory, VDB Entry
https://github.com/rubyzip/rubyzip/issues/315Third Party Advisory
https://github.com/rubyzip/rubyzip/releasesThird Party Advisory

Timeline

Published: Feb 27, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-5946?

How severe is CVE-2017-5946?

CVE-2017-5946 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.47% probability of exploitation in the next 30 days.

How do I fix CVE-2017-5946?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-5946?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST