What’s Vulnerable › Vulnerabilities

CVE-2019-16278: Nostromo nhttpd Directory Traversal Vulnerability

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2024-11-07
• EPSS: 99.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-10-14 · updated 2026-06-17
• Weakness: CWE-22

Description

Directory Traversal in the function http_verify in nostromo nhttpd through 1.9.6 allows an attacker to achieve remote code execution via a crafted HTTP request.

Affected products

• Nazgul Nostromo Nhttpd: before 1.9.7 — fixed in 1.9.7

How to fix

Upgrade to a fixed version: Nazgul Nostromo Nhttpd 1.9.7. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/155045/Nostromo-1.9.6-Directory-Traversal-Remote-Command-Execution.html
• http://packetstormsecurity.com/files/155802/nostromo-1.9.6-Remote-Code-Execution.html
• http://www.nazgul.ch/dev/nostromo_cl.txt
• https://git.sp0re.sh/sp0re/Nhttpd-exploits
• https://sp0re.sh
• http://packetstormsecurity.com/files/155045/Nostromo-1.9.6-Directory-Traversal-Remote-Command-Execution.html
• http://packetstormsecurity.com/files/155802/nostromo-1.9.6-Remote-Code-Execution.html
• http://www.nazgul.ch/dev/nostromo_cl.txt
• https://git.sp0re.sh/sp0re/Nhttpd-exploits
• https://sp0re.sh
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16278

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