CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.

A vulnerability, which was classified as very critical, has been found in CGI Interpreter (affected version not known). Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-94. Impacted is confidentiality, integrity, and availability. CVE summarizes:

perl sh csh or other shell interpreters are installed in the cgi-bin directory on a www site which allows remote attackers to execute arbitrary commands.

The weakness was released 05/29/1996. This vulnerability is handled as CVE-1999-0509. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/06/2019). This vulnerability has a historic impact due to its background and reception.

The vulnerability scanner Nessus provides a plugin with the ID 10173 (Web Server /cgi-bin Perl Interpreter Access), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context remote. The commercial vulnerability scanner Qualys is able to test this issue with plugin 10208 (Shell Interpreter Present in the CGI Directory Vulnerability).

The problem might be mitigated by replacing the product with as an alternative. Attack attempts may be identified with Snort ID 832. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 1202.

The vulnerability is also documented in the databases at X-Force (146), Vulnerability Center (SBV-408) and Tenable (10173).



CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.6
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Privilege escalation
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 10173
Nessus Name: Web Server /cgi-bin Perl Interpreter Access
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍


Recommended: Alternative
Status: 🔍

0-Day Time: 🔍
Snort ID: 832
Snort Message: SERVER-WEBAPP perl.exe access
Snort Class: 🔍

Suricata ID: 2101649
Suricata Class: 🔍
Suricata Message: 🔍

TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍
ISS Proventia IPS: 🔍


05/29/1996 🔍
05/29/1996 +0 days 🔍
05/29/1996 +0 days 🔍
06/22/1999 +1119 days 🔍
12/17/2002 +1274 days 🔍
06/17/2014 +4200 days 🔍
04/18/2016 +671 days 🔍
05/06/2019 +1113 days 🔍


Status: Not defined

CVE: CVE-1999-0509 (🔍)
X-Force: 146
Vulnerability Center: 408 - CGI-BIN Shell Allow Commands Execution, High


Created: 06/17/2014 05:03 PM
Updated: 05/06/2019 05:09 PM
Changes: (1) source_qualys_id
Complete: 🔍


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