CVE-2019-16278Nostromo nhttpd Directory Traversal Vulnerability

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.

9.8 CRITICALEPSS 99.03%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 02:22 UTC

OverviewCVSS details

9.8CRITICALCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Oct 14, 2019
Assigner: mitre

Affected

nostromo nhttpd (nazgul)

Versions: before 1.9.7
Fixed in: 1.9.7

Exploitation

Public exploit: Yes · 3 references
CISA KEV: Listed · Nov 7, 2024
KEV due date: Nov 28, 2024
Ransomware use: Unknown
SSVC: Exploitation active · Automatable yes · Impact total

EPSS · FIRST, scored Nov 7

99.03%chance of exploitation in 30 days

Higher than 99.93% of CVEs

CVSS 3.1 · NVD

9.8Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 2.0 · NVD

7.5High

AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack vector: Network
Attack complexity: Low
Authentication: None
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5	HIGH	2.0NVD	AV:N/AC:L/Au:N/C:P/I:P/A:P

CISA required action

⚡ Known exploited · remediation due Nov 28, 2024

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Details

CVE ID: CVE-2019-16278
Status: Analyzed
Assigner (CNA): mitre
Published: Oct 14, 2019
Last modified: 2026-06-17 02:22 UTC
Weaknesses: CWE-22

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 12:41 UTC.