CVE-2019-16278Directory Traversal in the function http_verify in nostromo nhttpd through 1.9.6 allows an attacker to achieve remote code execution via a…
- 9.8CriticalCVSS base score
- 99.0%Exploitation in 30 daysEPSS · top 0.1% of all CVEs
- YesKnown exploitedin CISA's KEV since 7 Nov 2024
- 4Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Nostromo nhttpd Directory Traversal Vulnerability.
- Added
- 7 Nov 2024
- Fix due (US federal)
- 28 Nov 2024
- Used by ransomware
- Not known
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 7 Nov 2024.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module, a Nuclei template and 2 Exploit-DB entries for it. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits4
Metasploit modules1 module
- Nostromo Directory Traversal Remote Command Execution (Metasploit module) (opens in a new tab)
exploit/multi/http/nostromo_code_execRank gooddisclosed 20 Oct 2019
Nuclei templates1 template
- nostromo 1.9.6 - Remote Code Execution (Nuclei template) (opens in a new tab)
http/cves/2019/CVE-2019-16278.yamlSeverity critical
Exploit-DB2 entries
- nostromo 1.9.6 - Remote Code Execution (Exploit-DB entry) (opens in a new tab)
EDB-ID 47837remote, multiplepublished 1 Jan 2020Verified
- Nostromo - Directory Traversal Remote Command Execution (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 47573remote, multiplepublished 1 Nov 2019Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 31 days later
· 31 days later
Published
- 5 years later
· 5 years later
Added to CISA KEV
Known exploited in the wild
- 12 months later
· 12 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 99.0% · top 0.1% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
n/a
- affected n/a
References
References6
- http://www.nazgul.ch/dev/nostromo_cl.txt (opens in a new tab)x_refsource_MISCx_transferred
- https://sp0re.sh (opens in a new tab)x_refsource_MISCx_transferred
- https://git.sp0re.sh/sp0re/Nhttpd-exploits (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/155045/Nostromo-1.9.6-Directory-Traversal-Remote-Command-Execution.html (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/155802/nostromo-1.9.6-Remote-Code-Execution.html (opens in a new tab)x_refsource_MISCx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16278 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2019-7077 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2019-16278)Record last updated .