What’s Vulnerable › Vulnerabilities

CVE-2017-16211

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-06-07 · updated 2026-06-17
• Weakness: CWE-22

Description

lessindex is a static file server. lessindex is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the url.

Affected products

• HackerOne lessindex node module: all versions

References

• https://github.com/JacksonGL/NPM-Vuln-PoC/blob/master/directory-traversal/lessindex
• https://nodesecurity.io/advisories/423
• https://github.com/JacksonGL/NPM-Vuln-PoC/blob/master/directory-traversal/lessindex
• https://nodesecurity.io/advisories/423

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