CVE-2019-16278
Nostromo nhttpd Directory Traversal Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 28 November 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 99.03% probability · 100th percentile
- Public exploits
- 2 in Exploit-DB · verified · first 1 November 2019
- CISA KEV
- Listed 7 November 2024 · due 28 November 2024
- Weakness
- CWE-22
- Affected
- nazgul/nostromo nhttpd
- Source
- cve@mitre.org
EPSS 99.0% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://www.nazgul.ch/dev/nostromo_cl.txt ; https://nvd.nist.gov/vuln/detail/CVE-2019-16278
Public exploits (2)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/155045/Nostromo-1.9.6-Directory-Traversal-Remote-Command-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/155802/nostromo-1.9.6-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://www.nazgul.ch/dev/nostromo_cl.txtRelease Notes
- https://git.sp0re.sh/sp0re/Nhttpd-exploitsBroken Link, Exploit, Third Party Advisory
- https://sp0re.shBroken Link, Not Applicable
- http://packetstormsecurity.com/files/155045/Nostromo-1.9.6-Directory-Traversal-Remote-Command-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/155802/nostromo-1.9.6-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://www.nazgul.ch/dev/nostromo_cl.txtRelease Notes
- https://git.sp0re.sh/sp0re/Nhttpd-exploitsBroken Link, Exploit, Third Party Advisory
- https://sp0re.shBroken Link, Not Applicable
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16278US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.