Directory Traversal in the function http_verify in nostromo nhttpd through 1.9.6 allows…
Priority CRITICAL 100Exploited in the wildCWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation Active In CISA KEV since 2024-11-07CISA due date 2024-11-28
EPSS 0.99033 99th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2024-11-07 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2019-16278
- 2026-10-03 Alias added: GHSA-495x-r3cr-6rgx
References
Exploit 3
More Nazgul Nostromo Nhttpd vulnerabilities
- TI-2019-12254 A memory error in the function SSL_accept in nostromo nhttpd through 1.9.6 allows an… CVSS 3.1HIGH 7.5
Sources
- CVE-2019-16278 · CVE Program
- CVE-2019-16278 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-495x-r3cr-6rgx · GitHub Advisory Database · CC BY 4.0
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