CVE-2017-5946

Rubyzip vulnerability

CVSS

9.8

EPSS

3.5%

EPSS pct

88th

Exploited

No known

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.

Affected vendor

Rubyzip Project

Affected product

Rubyzip

CVSS vector

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

Weakness type (CWE)

CWE-22 — Path Traversal

Published

2017-02-27

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2017-5946

Confirm whether Rubyzip Project Rubyzip is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-5946.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-5946

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-5946 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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