Apache HTTP Server up to 1.1 nph-test-cgi information disclosure

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.6 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in Apache HTTP Server up to 1.1. Affected by this issue is some unknown functionality of the file nph-test-cgi. Such manipulation leads to information disclosure. This vulnerability is traded as CVE-1999-0045. The attack may be launched remotely. Furthermore, there is an exploit available. It is advisable to upgrade the affected component.
Details
A vulnerability was found in Apache HTTP Server up to 1.1 (Web Server) and classified as critical. Affected by this issue is an unknown functionality of the file nph-test-cgi. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, integrity, and availability.
The weakness was shared 12/10/1996. This vulnerability is handled as CVE-1999-0045. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1592.
The exploit is available at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 10165 (NCDSA HTTPd nph-test-cgi Arbitrary Directory Listing), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses. The commercial vulnerability scanner Qualys is able to test this issue with plugin 10016 (nph-test-cgi" CGI Vulnerability).
Upgrading eliminates this vulnerability. Attack attempts may be identified with Snort ID 829. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 889.
The vulnerability is also documented in the databases at X-Force (289), Exploit-DB (19536), Tenable (10165), SecurityFocus (BID 686†) and Vulnerability Center (SBV-197†). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Affected
- Netscape Server
Product
Type
Vendor
Name
Version
License
Support
- end of life (old version)
Website
- Vendor: https://www.apache.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.6
VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 10165
Nessus Name: NCDSA HTTPd nph-test-cgi Arbitrary Directory Listing
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Snort ID: 829
Snort Message: SERVER-WEBAPP nph-test-cgi access
Snort Class: 🔍
TippingPoint: 🔍
SourceFire IPS: 🔍
ISS Proventia IPS: 🔍
Timeline
12/10/1996 🔍12/10/1996 🔍
12/10/1996 🔍
06/22/1999 🔍
10/23/2002 🔍
06/17/2014 🔍
04/16/2026 🔍
Sources
Vendor: apache.orgStatus: Confirmed
CVE: CVE-1999-0045 (🔍)
GCVE (CVE): GCVE-0-1999-0045
GCVE (VulDB): GCVE-100-13784
X-Force: 289
SecurityFocus: 686
Vulnerability Center: 197 - nph-test-cgi file listing, High
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 06/17/2014 17:58Updated: 04/16/2026 11:43
Changes: 06/17/2014 17:58 (65), 04/16/2019 15:11 (2), 06/23/2021 02:43 (2), 11/28/2024 09:04 (25), 10/28/2025 03:41 (2), 04/16/2026 11:43 (1)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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